Home / 63,115.49-87,083.81-38,580.02

Finding the Fourth Proportional to 63,115.49, 87,083.81 and 38,580.02

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Solution

The fourth proportional to 63,115.49, 87,083.81 and 38,580.02 is: 53,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.49 : 87,083.81 = 38,580.02 : x
  2. Step 2: Convert to fraction form
    63,115.49/87,083.81 = 38,580.02/x
  3. Step 3: Cross multiply
    63,115.49x = 87,083.81 × 38,580.02
  4. Step 4: Simplify right side
    63,115.49x = 3,359,694,974.40
  5. Step 5: Solve for x
    x = 3,359,694,974.40/63,115.49
  6. Step 6: Final answer
    x = 53,230.91

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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.