Home / 89,250.18-133,809.66-42,535.86

Finding the Fourth Proportional to 89,250.18, 133,809.66 and 42,535.86

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Solution

The fourth proportional to 89,250.18, 133,809.66 and 42,535.86 is: 63,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,250.18 : 133,809.66 = 42,535.86 : x
  2. Step 2: Convert to fraction form
    89,250.18/133,809.66 = 42,535.86/x
  3. Step 3: Cross multiply
    89,250.18x = 133,809.66 × 42,535.86
  4. Step 4: Simplify right side
    89,250.18x = 5,691,708,964.41
  5. Step 5: Solve for x
    x = 5,691,708,964.41/89,250.18
  6. Step 6: Final answer
    x = 63,772.52

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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.