Home / 89,350.40-133,839.30-42,005.90

Finding the Fourth Proportional to 89,350.40, 133,839.30 and 42,005.90

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Solution

The fourth proportional to 89,350.40, 133,839.30 and 42,005.90 is: 62,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,350.40 : 133,839.30 = 42,005.90 : x
  2. Step 2: Convert to fraction form
    89,350.40/133,839.30 = 42,005.90/x
  3. Step 3: Cross multiply
    89,350.40x = 133,839.30 × 42,005.90
  4. Step 4: Simplify right side
    89,350.40x = 5,622,040,251.87
  5. Step 5: Solve for x
    x = 5,622,040,251.87/89,350.40
  6. Step 6: Final answer
    x = 62,921.27

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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.