Home / 87,877.01-121,269.62-47,589.83

Finding the Fourth Proportional to 87,877.01, 121,269.62 and 47,589.83

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Solution

The fourth proportional to 87,877.01, 121,269.62 and 47,589.83 is: 65,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,877.01 : 121,269.62 = 47,589.83 : x
  2. Step 2: Convert to fraction form
    87,877.01/121,269.62 = 47,589.83/x
  3. Step 3: Cross multiply
    87,877.01x = 121,269.62 × 47,589.83
  4. Step 4: Simplify right side
    87,877.01x = 5,771,199,755.67
  5. Step 5: Solve for x
    x = 5,771,199,755.67/87,877.01
  6. Step 6: Final answer
    x = 65,673.61

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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.