Home / 68,999.52-95,217.12-42,132.32

Finding the Fourth Proportional to 68,999.52, 95,217.12 and 42,132.32

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Solution

The fourth proportional to 68,999.52, 95,217.12 and 42,132.32 is: 58,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.52 : 95,217.12 = 42,132.32 : x
  2. Step 2: Convert to fraction form
    68,999.52/95,217.12 = 42,132.32/x
  3. Step 3: Cross multiply
    68,999.52x = 95,217.12 × 42,132.32
  4. Step 4: Simplify right side
    68,999.52x = 4,011,718,169.32
  5. Step 5: Solve for x
    x = 4,011,718,169.32/68,999.52
  6. Step 6: Final answer
    x = 58,141.25

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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.