Home / 83,513.52-125,297.77-55,543.61

Finding the Fourth Proportional to 83,513.52, 125,297.77 and 55,543.61

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Solution

The fourth proportional to 83,513.52, 125,297.77 and 55,543.61 is: 83,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,513.52 : 125,297.77 = 55,543.61 : x
  2. Step 2: Convert to fraction form
    83,513.52/125,297.77 = 55,543.61/x
  3. Step 3: Cross multiply
    83,513.52x = 125,297.77 × 55,543.61
  4. Step 4: Simplify right side
    83,513.52x = 6,959,490,470.75
  5. Step 5: Solve for x
    x = 6,959,490,470.75/83,513.52
  6. Step 6: Final answer
    x = 83,333.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.