Home / 87,317.92-120,446.22-53,310.88

Finding the Fourth Proportional to 87,317.92, 120,446.22 and 53,310.88

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Solution

The fourth proportional to 87,317.92, 120,446.22 and 53,310.88 is: 73,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317.92 : 120,446.22 = 53,310.88 : x
  2. Step 2: Convert to fraction form
    87,317.92/120,446.22 = 53,310.88/x
  3. Step 3: Cross multiply
    87,317.92x = 120,446.22 × 53,310.88
  4. Step 4: Simplify right side
    87,317.92x = 6,421,093,980.87
  5. Step 5: Solve for x
    x = 6,421,093,980.87/87,317.92
  6. Step 6: Final answer
    x = 73,536.96

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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.