Home / 70,217.25-96,899.79-38,386.14

Finding the Fourth Proportional to 70,217.25, 96,899.79 and 38,386.14

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Solution

The fourth proportional to 70,217.25, 96,899.79 and 38,386.14 is: 52,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,217.25 : 96,899.79 = 38,386.14 : x
  2. Step 2: Convert to fraction form
    70,217.25/96,899.79 = 38,386.14/x
  3. Step 3: Cross multiply
    70,217.25x = 96,899.79 × 38,386.14
  4. Step 4: Simplify right side
    70,217.25x = 3,719,608,685.48
  5. Step 5: Solve for x
    x = 3,719,608,685.48/70,217.25
  6. Step 6: Final answer
    x = 52,972.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.