Home / 108,042.72-149,098.68-60,295.56

Finding the Fourth Proportional to 108,042.72, 149,098.68 and 60,295.56

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Solution

The fourth proportional to 108,042.72, 149,098.68 and 60,295.56 is: 83,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,042.72 : 149,098.68 = 60,295.56 : x
  2. Step 2: Convert to fraction form
    108,042.72/149,098.68 = 60,295.56/x
  3. Step 3: Cross multiply
    108,042.72x = 149,098.68 × 60,295.56
  4. Step 4: Simplify right side
    108,042.72x = 8,989,988,405.86
  5. Step 5: Solve for x
    x = 8,989,988,405.86/108,042.72
  6. Step 6: Final answer
    x = 83,207.72

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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.