Home / 82,073.70-123,119.46-25,915.32

Finding the Fourth Proportional to 82,073.70, 123,119.46 and 25,915.32

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Solution

The fourth proportional to 82,073.70, 123,119.46 and 25,915.32 is: 38,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,073.70 : 123,119.46 = 25,915.32 : x
  2. Step 2: Convert to fraction form
    82,073.70/123,119.46 = 25,915.32/x
  3. Step 3: Cross multiply
    82,073.70x = 123,119.46 × 25,915.32
  4. Step 4: Simplify right side
    82,073.70x = 3,190,680,204.13
  5. Step 5: Solve for x
    x = 3,190,680,204.13/82,073.70
  6. Step 6: Final answer
    x = 38,875.79

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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.