Home / 87,234.40-120,262.52-58,895.20

Finding the Fourth Proportional to 87,234.40, 120,262.52 and 58,895.20

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Solution

The fourth proportional to 87,234.40, 120,262.52 and 58,895.20 is: 81,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,234.40 : 120,262.52 = 58,895.20 : x
  2. Step 2: Convert to fraction form
    87,234.40/120,262.52 = 58,895.20/x
  3. Step 3: Cross multiply
    87,234.40x = 120,262.52 × 58,895.20
  4. Step 4: Simplify right side
    87,234.40x = 7,082,885,167.90
  5. Step 5: Solve for x
    x = 7,082,885,167.90/87,234.40
  6. Step 6: Final answer
    x = 81,193.72

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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.