Home / 65,880.28-98,732.94-42,144.04

Finding the Fourth Proportional to 65,880.28, 98,732.94 and 42,144.04

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Solution

The fourth proportional to 65,880.28, 98,732.94 and 42,144.04 is: 63,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880.28 : 98,732.94 = 42,144.04 : x
  2. Step 2: Convert to fraction form
    65,880.28/98,732.94 = 42,144.04/x
  3. Step 3: Cross multiply
    65,880.28x = 98,732.94 × 42,144.04
  4. Step 4: Simplify right side
    65,880.28x = 4,161,004,972.68
  5. Step 5: Solve for x
    x = 4,161,004,972.68/65,880.28
  6. Step 6: Final answer
    x = 63,160.10

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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.