Home / 87,877.62-121,270.41-47,590.83

Finding the Fourth Proportional to 87,877.62, 121,270.41 and 47,590.83

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Solution

The fourth proportional to 87,877.62, 121,270.41 and 47,590.83 is: 65,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,877.62 : 121,270.41 = 47,590.83 : x
  2. Step 2: Convert to fraction form
    87,877.62/121,270.41 = 47,590.83/x
  3. Step 3: Cross multiply
    87,877.62x = 121,270.41 × 47,590.83
  4. Step 4: Simplify right side
    87,877.62x = 5,771,359,466.34
  5. Step 5: Solve for x
    x = 5,771,359,466.34/87,877.62
  6. Step 6: Final answer
    x = 65,674.96

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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.