Home / 74,402.78-111,550.68-34,937.96

Finding the Fourth Proportional to 74,402.78, 111,550.68 and 34,937.96

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Solution

The fourth proportional to 74,402.78, 111,550.68 and 34,937.96 is: 52,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,402.78 : 111,550.68 = 34,937.96 : x
  2. Step 2: Convert to fraction form
    74,402.78/111,550.68 = 34,937.96/x
  3. Step 3: Cross multiply
    74,402.78x = 111,550.68 × 34,937.96
  4. Step 4: Simplify right side
    74,402.78x = 3,897,353,195.81
  5. Step 5: Solve for x
    x = 3,897,353,195.81/74,402.78
  6. Step 6: Final answer
    x = 52,381.82

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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.