Home / 89,007.68-133,511.52-36,395.76

Finding the Fourth Proportional to 89,007.68, 133,511.52 and 36,395.76

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Solution

The fourth proportional to 89,007.68, 133,511.52 and 36,395.76 is: 54,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,007.68 : 133,511.52 = 36,395.76 : x
  2. Step 2: Convert to fraction form
    89,007.68/133,511.52 = 36,395.76/x
  3. Step 3: Cross multiply
    89,007.68x = 133,511.52 × 36,395.76
  4. Step 4: Simplify right side
    89,007.68x = 4,859,253,239.16
  5. Step 5: Solve for x
    x = 4,859,253,239.16/89,007.68
  6. Step 6: Final answer
    x = 54,593.64

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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.