Home / 79,228.56-118,775.10-29,299.35

Finding the Fourth Proportional to 79,228.56, 118,775.10 and 29,299.35

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Solution

The fourth proportional to 79,228.56, 118,775.10 and 29,299.35 is: 43,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,228.56 : 118,775.10 = 29,299.35 : x
  2. Step 2: Convert to fraction form
    79,228.56/118,775.10 = 29,299.35/x
  3. Step 3: Cross multiply
    79,228.56x = 118,775.10 × 29,299.35
  4. Step 4: Simplify right side
    79,228.56x = 3,480,033,226.19
  5. Step 5: Solve for x
    x = 3,480,033,226.19/79,228.56
  6. Step 6: Final answer
    x = 43,923.97

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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.