Home / 87,562.24-120,837.36-49,840

Finding the Fourth Proportional to 87,562.24, 120,837.36 and 49,840

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Solution

The fourth proportional to 87,562.24, 120,837.36 and 49,840 is: 68,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562.24 : 120,837.36 = 49,840 : x
  2. Step 2: Convert to fraction form
    87,562.24/120,837.36 = 49,840/x
  3. Step 3: Cross multiply
    87,562.24x = 120,837.36 × 49,840
  4. Step 4: Simplify right side
    87,562.24x = 6,022,534,022.40
  5. Step 5: Solve for x
    x = 6,022,534,022.40/87,562.24
  6. Step 6: Final answer
    x = 68,780.04

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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.