Home / 103,927.14-155,732.15-54,023.45

Finding the Fourth Proportional to 103,927.14, 155,732.15 and 54,023.45

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Solution

The fourth proportional to 103,927.14, 155,732.15 and 54,023.45 is: 80,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,927.14 : 155,732.15 = 54,023.45 : x
  2. Step 2: Convert to fraction form
    103,927.14/155,732.15 = 54,023.45/x
  3. Step 3: Cross multiply
    103,927.14x = 155,732.15 × 54,023.45
  4. Step 4: Simplify right side
    103,927.14x = 8,413,187,375.32
  5. Step 5: Solve for x
    x = 8,413,187,375.32/103,927.14
  6. Step 6: Final answer
    x = 80,952.75

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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.