Home / 89,074.40-122,779.92-60,385.28

Finding the Fourth Proportional to 89,074.40, 122,779.92 and 60,385.28

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Solution

The fourth proportional to 89,074.40, 122,779.92 and 60,385.28 is: 83,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,074.40 : 122,779.92 = 60,385.28 : x
  2. Step 2: Convert to fraction form
    89,074.40/122,779.92 = 60,385.28/x
  3. Step 3: Cross multiply
    89,074.40x = 122,779.92 × 60,385.28
  4. Step 4: Simplify right side
    89,074.40x = 7,414,099,847.58
  5. Step 5: Solve for x
    x = 7,414,099,847.58/89,074.40
  6. Step 6: Final answer
    x = 83,234.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.