Home / 77,238.11-106,591.19-43,248.02

Finding the Fourth Proportional to 77,238.11, 106,591.19 and 43,248.02

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Solution

The fourth proportional to 77,238.11, 106,591.19 and 43,248.02 is: 59,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,238.11 : 106,591.19 = 43,248.02 : x
  2. Step 2: Convert to fraction form
    77,238.11/106,591.19 = 43,248.02/x
  3. Step 3: Cross multiply
    77,238.11x = 106,591.19 × 43,248.02
  4. Step 4: Simplify right side
    77,238.11x = 4,609,857,167.75
  5. Step 5: Solve for x
    x = 4,609,857,167.75/77,238.11
  6. Step 6: Final answer
    x = 59,683.72

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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.