Home / 45,315.96-67,980.86-23,117.23

Finding the Fourth Proportional to 45,315.96, 67,980.86 and 23,117.23

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Solution

The fourth proportional to 45,315.96, 67,980.86 and 23,117.23 is: 34,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.96 : 67,980.86 = 23,117.23 : x
  2. Step 2: Convert to fraction form
    45,315.96/67,980.86 = 23,117.23/x
  3. Step 3: Cross multiply
    45,315.96x = 67,980.86 × 23,117.23
  4. Step 4: Simplify right side
    45,315.96x = 1,571,528,890.68
  5. Step 5: Solve for x
    x = 1,571,528,890.68/45,315.96
  6. Step 6: Final answer
    x = 34,679.37

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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.