Home / 103,631.25-155,446.92-37,067.40

Finding the Fourth Proportional to 103,631.25, 155,446.92 and 37,067.40

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Solution

The fourth proportional to 103,631.25, 155,446.92 and 37,067.40 is: 55,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.25 : 155,446.92 = 37,067.40 : x
  2. Step 2: Convert to fraction form
    103,631.25/155,446.92 = 37,067.40/x
  3. Step 3: Cross multiply
    103,631.25x = 155,446.92 × 37,067.40
  4. Step 4: Simplify right side
    103,631.25x = 5,762,013,162.41
  5. Step 5: Solve for x
    x = 5,762,013,162.41/103,631.25
  6. Step 6: Final answer
    x = 55,601.12

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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.