Home / 108,234.16-149,360.34-60,487.90

Finding the Fourth Proportional to 108,234.16, 149,360.34 and 60,487.90

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Solution

The fourth proportional to 108,234.16, 149,360.34 and 60,487.90 is: 83,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,234.16 : 149,360.34 = 60,487.90 : x
  2. Step 2: Convert to fraction form
    108,234.16/149,360.34 = 60,487.90/x
  3. Step 3: Cross multiply
    108,234.16x = 149,360.34 × 60,487.90
  4. Step 4: Simplify right side
    108,234.16x = 9,034,493,309.89
  5. Step 5: Solve for x
    x = 9,034,493,309.89/108,234.16
  6. Step 6: Final answer
    x = 83,471.74

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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.