Home / 89,692.24-123,750.68-62,437.80

Finding the Fourth Proportional to 89,692.24, 123,750.68 and 62,437.80

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Solution

The fourth proportional to 89,692.24, 123,750.68 and 62,437.80 is: 86,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,692.24 : 123,750.68 = 62,437.80 : x
  2. Step 2: Convert to fraction form
    89,692.24/123,750.68 = 62,437.80/x
  3. Step 3: Cross multiply
    89,692.24x = 123,750.68 × 62,437.80
  4. Step 4: Simplify right side
    89,692.24x = 7,726,720,207.70
  5. Step 5: Solve for x
    x = 7,726,720,207.70/89,692.24
  6. Step 6: Final answer
    x = 86,147.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.