Home / 83,561.80-125,385.78-55,501.27

Finding the Fourth Proportional to 83,561.80, 125,385.78 and 55,501.27

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Solution

The fourth proportional to 83,561.80, 125,385.78 and 55,501.27 is: 83,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561.80 : 125,385.78 = 55,501.27 : x
  2. Step 2: Convert to fraction form
    83,561.80/125,385.78 = 55,501.27/x
  3. Step 3: Cross multiply
    83,561.80x = 125,385.78 × 55,501.27
  4. Step 4: Simplify right side
    83,561.80x = 6,959,070,029.94
  5. Step 5: Solve for x
    x = 6,959,070,029.94/83,561.80
  6. Step 6: Final answer
    x = 83,280.52

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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.