Home / 83,755.18-125,632.86-39,349.36

Finding the Fourth Proportional to 83,755.18, 125,632.86 and 39,349.36

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Solution

The fourth proportional to 83,755.18, 125,632.86 and 39,349.36 is: 59,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,755.18 : 125,632.86 = 39,349.36 : x
  2. Step 2: Convert to fraction form
    83,755.18/125,632.86 = 39,349.36/x
  3. Step 3: Cross multiply
    83,755.18x = 125,632.86 × 39,349.36
  4. Step 4: Simplify right side
    83,755.18x = 4,943,572,635.97
  5. Step 5: Solve for x
    x = 4,943,572,635.97/83,755.18
  6. Step 6: Final answer
    x = 59,024.08

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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.