Home / 87,410.12-120,624.84-49,681.88

Finding the Fourth Proportional to 87,410.12, 120,624.84 and 49,681.88

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Solution

The fourth proportional to 87,410.12, 120,624.84 and 49,681.88 is: 68,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.12 : 120,624.84 = 49,681.88 : x
  2. Step 2: Convert to fraction form
    87,410.12/120,624.84 = 49,681.88/x
  3. Step 3: Cross multiply
    87,410.12x = 120,624.84 × 49,681.88
  4. Step 4: Simplify right side
    87,410.12x = 5,992,868,825.90
  5. Step 5: Solve for x
    x = 5,992,868,825.90/87,410.12
  6. Step 6: Final answer
    x = 68,560.35

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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.