Home / 83,877.10-115,753.59-48,074.02

Finding the Fourth Proportional to 83,877.10, 115,753.59 and 48,074.02

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Solution

The fourth proportional to 83,877.10, 115,753.59 and 48,074.02 is: 66,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,877.10 : 115,753.59 = 48,074.02 : x
  2. Step 2: Convert to fraction form
    83,877.10/115,753.59 = 48,074.02/x
  3. Step 3: Cross multiply
    83,877.10x = 115,753.59 × 48,074.02
  4. Step 4: Simplify right side
    83,877.10x = 5,564,740,160.36
  5. Step 5: Solve for x
    x = 5,564,740,160.36/83,877.10
  6. Step 6: Final answer
    x = 66,343.97

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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.