Home / 89,127.68-133,691.52-42,355.04

Finding the Fourth Proportional to 89,127.68, 133,691.52 and 42,355.04

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Solution

The fourth proportional to 89,127.68, 133,691.52 and 42,355.04 is: 63,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.68 : 133,691.52 = 42,355.04 : x
  2. Step 2: Convert to fraction form
    89,127.68/133,691.52 = 42,355.04/x
  3. Step 3: Cross multiply
    89,127.68x = 133,691.52 × 42,355.04
  4. Step 4: Simplify right side
    89,127.68x = 5,662,509,677.26
  5. Step 5: Solve for x
    x = 5,662,509,677.26/89,127.68
  6. Step 6: Final answer
    x = 63,532.56

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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.