Home / 108,385.42-149,577.70-60,635.92

Finding the Fourth Proportional to 108,385.42, 149,577.70 and 60,635.92

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Solution

The fourth proportional to 108,385.42, 149,577.70 and 60,635.92 is: 83,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,385.42 : 149,577.70 = 60,635.92 : x
  2. Step 2: Convert to fraction form
    108,385.42/149,577.70 = 60,635.92/x
  3. Step 3: Cross multiply
    108,385.42x = 149,577.70 × 60,635.92
  4. Step 4: Simplify right side
    108,385.42x = 9,069,781,450.98
  5. Step 5: Solve for x
    x = 9,069,781,450.98/108,385.42
  6. Step 6: Final answer
    x = 83,680.83

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1.5x scale

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.