Home / 87,844.71-121,176.21-55,569.33

Finding the Fourth Proportional to 87,844.71, 121,176.21 and 55,569.33

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Solution

The fourth proportional to 87,844.71, 121,176.21 and 55,569.33 is: 76,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.71 : 121,176.21 = 55,569.33 : x
  2. Step 2: Convert to fraction form
    87,844.71/121,176.21 = 55,569.33/x
  3. Step 3: Cross multiply
    87,844.71x = 121,176.21 × 55,569.33
  4. Step 4: Simplify right side
    87,844.71x = 6,733,680,801.64
  5. Step 5: Solve for x
    x = 6,733,680,801.64/87,844.71
  6. Step 6: Final answer
    x = 76,654.37

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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.