Home / 83,936.59-115,842.50-48,126.49

Finding the Fourth Proportional to 83,936.59, 115,842.50 and 48,126.49

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Solution

The fourth proportional to 83,936.59, 115,842.50 and 48,126.49 is: 66,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,936.59 : 115,842.50 = 48,126.49 : x
  2. Step 2: Convert to fraction form
    83,936.59/115,842.50 = 48,126.49/x
  3. Step 3: Cross multiply
    83,936.59x = 115,842.50 × 48,126.49
  4. Step 4: Simplify right side
    83,936.59x = 5,575,092,917.83
  5. Step 5: Solve for x
    x = 5,575,092,917.83/83,936.59
  6. Step 6: Final answer
    x = 66,420.29

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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.