Home / 74,061.42-111,103.65-24,129.90

Finding the Fourth Proportional to 74,061.42, 111,103.65 and 24,129.90

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Solution

The fourth proportional to 74,061.42, 111,103.65 and 24,129.90 is: 36,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,061.42 : 111,103.65 = 24,129.90 : x
  2. Step 2: Convert to fraction form
    74,061.42/111,103.65 = 24,129.90/x
  3. Step 3: Cross multiply
    74,061.42x = 111,103.65 × 24,129.90
  4. Step 4: Simplify right side
    74,061.42x = 2,680,919,964.14
  5. Step 5: Solve for x
    x = 2,680,919,964.14/74,061.42
  6. Step 6: Final answer
    x = 36,198.60

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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.