Home / 87,339.69-120,522.13-49,093.16

Finding the Fourth Proportional to 87,339.69, 120,522.13 and 49,093.16

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Solution

The fourth proportional to 87,339.69, 120,522.13 and 49,093.16 is: 67,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,339.69 : 120,522.13 = 49,093.16 : x
  2. Step 2: Convert to fraction form
    87,339.69/120,522.13 = 49,093.16/x
  3. Step 3: Cross multiply
    87,339.69x = 120,522.13 × 49,093.16
  4. Step 4: Simplify right side
    87,339.69x = 5,916,812,211.63
  5. Step 5: Solve for x
    x = 5,916,812,211.63/87,339.69
  6. Step 6: Final answer
    x = 67,744.83

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1.5x scale

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.