Home / 89,962.60-134,879.10-50,531.80

Finding the Fourth Proportional to 89,962.60, 134,879.10 and 50,531.80

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Solution

The fourth proportional to 89,962.60, 134,879.10 and 50,531.80 is: 75,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,962.60 : 134,879.10 = 50,531.80 : x
  2. Step 2: Convert to fraction form
    89,962.60/134,879.10 = 50,531.80/x
  3. Step 3: Cross multiply
    89,962.60x = 134,879.10 × 50,531.80
  4. Step 4: Simplify right side
    89,962.60x = 6,815,683,705.38
  5. Step 5: Solve for x
    x = 6,815,683,705.38/89,962.60
  6. Step 6: Final answer
    x = 75,761.30

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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.