Home / 74,217.60-111,178.17-44,619.39

Finding the Fourth Proportional to 74,217.60, 111,178.17 and 44,619.39

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Solution

The fourth proportional to 74,217.60, 111,178.17 and 44,619.39 is: 66,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,217.60 : 111,178.17 = 44,619.39 : x
  2. Step 2: Convert to fraction form
    74,217.60/111,178.17 = 44,619.39/x
  3. Step 3: Cross multiply
    74,217.60x = 111,178.17 × 44,619.39
  4. Step 4: Simplify right side
    74,217.60x = 4,960,702,126.72
  5. Step 5: Solve for x
    x = 4,960,702,126.72/74,217.60
  6. Step 6: Final answer
    x = 66,839.97

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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.