Home / 79,050.96-118,576.59-19,886.23

Finding the Fourth Proportional to 79,050.96, 118,576.59 and 19,886.23

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Solution

The fourth proportional to 79,050.96, 118,576.59 and 19,886.23 is: 29,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.96 : 118,576.59 = 19,886.23 : x
  2. Step 2: Convert to fraction form
    79,050.96/118,576.59 = 19,886.23/x
  3. Step 3: Cross multiply
    79,050.96x = 118,576.59 × 19,886.23
  4. Step 4: Simplify right side
    79,050.96x = 2,358,041,341.36
  5. Step 5: Solve for x
    x = 2,358,041,341.36/79,050.96
  6. Step 6: Final answer
    x = 29,829.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.