Home / 52,402.20-78,531.30-33,624.60

Finding the Fourth Proportional to 52,402.20, 78,531.30 and 33,624.60

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Solution

The fourth proportional to 52,402.20, 78,531.30 and 33,624.60 is: 50,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.20 : 78,531.30 = 33,624.60 : x
  2. Step 2: Convert to fraction form
    52,402.20/78,531.30 = 33,624.60/x
  3. Step 3: Cross multiply
    52,402.20x = 78,531.30 × 33,624.60
  4. Step 4: Simplify right side
    52,402.20x = 2,640,583,549.98
  5. Step 5: Solve for x
    x = 2,640,583,549.98/52,402.20
  6. Step 6: Final answer
    x = 50,390.70

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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.