Home / 87,926.32-121,324.61-52,110.55

Finding the Fourth Proportional to 87,926.32, 121,324.61 and 52,110.55

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Solution

The fourth proportional to 87,926.32, 121,324.61 and 52,110.55 is: 71,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926.32 : 121,324.61 = 52,110.55 : x
  2. Step 2: Convert to fraction form
    87,926.32/121,324.61 = 52,110.55/x
  3. Step 3: Cross multiply
    87,926.32x = 121,324.61 × 52,110.55
  4. Step 4: Simplify right side
    87,926.32x = 6,322,292,437.57
  5. Step 5: Solve for x
    x = 6,322,292,437.57/87,926.32
  6. Step 6: Final answer
    x = 71,904.43

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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.