Home / 87,874.90-121,267.48-47,588.73

Finding the Fourth Proportional to 87,874.90, 121,267.48 and 47,588.73

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Solution

The fourth proportional to 87,874.90, 121,267.48 and 47,588.73 is: 65,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.90 : 121,267.48 = 47,588.73 : x
  2. Step 2: Convert to fraction form
    87,874.90/121,267.48 = 47,588.73/x
  3. Step 3: Cross multiply
    87,874.90x = 121,267.48 × 47,588.73
  4. Step 4: Simplify right side
    87,874.90x = 5,770,965,561.13
  5. Step 5: Solve for x
    x = 5,770,965,561.13/87,874.90
  6. Step 6: Final answer
    x = 65,672.51

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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.