Home / 87,482.13-120,695.18-49,233.93

Finding the Fourth Proportional to 87,482.13, 120,695.18 and 49,233.93

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Solution

The fourth proportional to 87,482.13, 120,695.18 and 49,233.93 is: 67,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,482.13 : 120,695.18 = 49,233.93 : x
  2. Step 2: Convert to fraction form
    87,482.13/120,695.18 = 49,233.93/x
  3. Step 3: Cross multiply
    87,482.13x = 120,695.18 × 49,233.93
  4. Step 4: Simplify right side
    87,482.13x = 5,942,297,797.29
  5. Step 5: Solve for x
    x = 5,942,297,797.29/87,482.13
  6. Step 6: Final answer
    x = 67,925.85

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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.