Home / 87,484.38-120,733.91-49,758.63

Finding the Fourth Proportional to 87,484.38, 120,733.91 and 49,758.63

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Solution

The fourth proportional to 87,484.38, 120,733.91 and 49,758.63 is: 68,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,484.38 : 120,733.91 = 49,758.63 : x
  2. Step 2: Convert to fraction form
    87,484.38/120,733.91 = 49,758.63/x
  3. Step 3: Cross multiply
    87,484.38x = 120,733.91 × 49,758.63
  4. Step 4: Simplify right side
    87,484.38x = 6,007,553,956.14
  5. Step 5: Solve for x
    x = 6,007,553,956.14/87,484.38
  6. Step 6: Final answer
    x = 68,670.02

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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.