Home / 87,847.64-121,180.56-52,002.72

Finding the Fourth Proportional to 87,847.64, 121,180.56 and 52,002.72

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Solution

The fourth proportional to 87,847.64, 121,180.56 and 52,002.72 is: 71,734.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,847.64 : 121,180.56 = 52,002.72 : x
  2. Step 2: Convert to fraction form
    87,847.64/121,180.56 = 52,002.72/x
  3. Step 3: Cross multiply
    87,847.64x = 121,180.56 × 52,002.72
  4. Step 4: Simplify right side
    87,847.64x = 6,301,718,731.12
  5. Step 5: Solve for x
    x = 6,301,718,731.12/87,847.64
  6. Step 6: Final answer
    x = 71,734.64

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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.