Home / 87,770.04-131,728.77-37,887.81

Finding the Fourth Proportional to 87,770.04, 131,728.77 and 37,887.81

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Solution

The fourth proportional to 87,770.04, 131,728.77 and 37,887.81 is: 56,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,770.04 : 131,728.77 = 37,887.81 : x
  2. Step 2: Convert to fraction form
    87,770.04/131,728.77 = 37,887.81/x
  3. Step 3: Cross multiply
    87,770.04x = 131,728.77 × 37,887.81
  4. Step 4: Simplify right side
    87,770.04x = 4,990,914,609.29
  5. Step 5: Solve for x
    x = 4,990,914,609.29/87,770.04
  6. Step 6: Final answer
    x = 56,863.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.