Home / 87,344.10-120,534.26-49,618.34

Finding the Fourth Proportional to 87,344.10, 120,534.26 and 49,618.34

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Solution

The fourth proportional to 87,344.10, 120,534.26 and 49,618.34 is: 68,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344.10 : 120,534.26 = 49,618.34 : x
  2. Step 2: Convert to fraction form
    87,344.10/120,534.26 = 49,618.34/x
  3. Step 3: Cross multiply
    87,344.10x = 120,534.26 × 49,618.34
  4. Step 4: Simplify right side
    87,344.10x = 5,980,709,894.33
  5. Step 5: Solve for x
    x = 5,980,709,894.33/87,344.10
  6. Step 6: Final answer
    x = 68,472.97

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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.