Home / 75,423.80-113,135.70-22,835.90

Finding the Fourth Proportional to 75,423.80, 113,135.70 and 22,835.90

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Solution

The fourth proportional to 75,423.80, 113,135.70 and 22,835.90 is: 34,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.80 : 113,135.70 = 22,835.90 : x
  2. Step 2: Convert to fraction form
    75,423.80/113,135.70 = 22,835.90/x
  3. Step 3: Cross multiply
    75,423.80x = 113,135.70 × 22,835.90
  4. Step 4: Simplify right side
    75,423.80x = 2,583,555,531.63
  5. Step 5: Solve for x
    x = 2,583,555,531.63/75,423.80
  6. Step 6: Final answer
    x = 34,253.85

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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.