Home / 87,853.45-121,236.28-47,566.89

Finding the Fourth Proportional to 87,853.45, 121,236.28 and 47,566.89

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Solution

The fourth proportional to 87,853.45, 121,236.28 and 47,566.89 is: 65,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,853.45 : 121,236.28 = 47,566.89 : x
  2. Step 2: Convert to fraction form
    87,853.45/121,236.28 = 47,566.89/x
  3. Step 3: Cross multiply
    87,853.45x = 121,236.28 × 47,566.89
  4. Step 4: Simplify right side
    87,853.45x = 5,766,832,794.77
  5. Step 5: Solve for x
    x = 5,766,832,794.77/87,853.45
  6. Step 6: Final answer
    x = 65,641.51

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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.