Home / 108,083.50-149,149.04-60,339.86

Finding the Fourth Proportional to 108,083.50, 149,149.04 and 60,339.86

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Solution

The fourth proportional to 108,083.50, 149,149.04 and 60,339.86 is: 83,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,083.50 : 149,149.04 = 60,339.86 : x
  2. Step 2: Convert to fraction form
    108,083.50/149,149.04 = 60,339.86/x
  3. Step 3: Cross multiply
    108,083.50x = 149,149.04 × 60,339.86
  4. Step 4: Simplify right side
    108,083.50x = 8,999,632,192.73
  5. Step 5: Solve for x
    x = 8,999,632,192.73/108,083.50
  6. Step 6: Final answer
    x = 83,265.55

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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.