Home / 87,343.10-120,532.87-49,617.35

Finding the Fourth Proportional to 87,343.10, 120,532.87 and 49,617.35

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Solution

The fourth proportional to 87,343.10, 120,532.87 and 49,617.35 is: 68,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,343.10 : 120,532.87 = 49,617.35 : x
  2. Step 2: Convert to fraction form
    87,343.10/120,532.87 = 49,617.35/x
  3. Step 3: Cross multiply
    87,343.10x = 120,532.87 × 49,617.35
  4. Step 4: Simplify right side
    87,343.10x = 5,980,521,597.29
  5. Step 5: Solve for x
    x = 5,980,521,597.29/87,343.10
  6. Step 6: Final answer
    x = 68,471.60

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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.