Home / 74,310.13-111,441.78-24,378.59

Finding the Fourth Proportional to 74,310.13, 111,441.78 and 24,378.59

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Solution

The fourth proportional to 74,310.13, 111,441.78 and 24,378.59 is: 36,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.13 : 111,441.78 = 24,378.59 : x
  2. Step 2: Convert to fraction form
    74,310.13/111,441.78 = 24,378.59/x
  3. Step 3: Cross multiply
    74,310.13x = 111,441.78 × 24,378.59
  4. Step 4: Simplify right side
    74,310.13x = 2,716,793,463.49
  5. Step 5: Solve for x
    x = 2,716,793,463.49/74,310.13
  6. Step 6: Final answer
    x = 36,560.20

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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.