Home / 88,065.54-121,531.13-51,757.24

Finding the Fourth Proportional to 88,065.54, 121,531.13 and 51,757.24

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Solution

The fourth proportional to 88,065.54, 121,531.13 and 51,757.24 is: 71,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,065.54 : 121,531.13 = 51,757.24 : x
  2. Step 2: Convert to fraction form
    88,065.54/121,531.13 = 51,757.24/x
  3. Step 3: Cross multiply
    88,065.54x = 121,531.13 × 51,757.24
  4. Step 4: Simplify right side
    88,065.54x = 6,290,115,862.88
  5. Step 5: Solve for x
    x = 6,290,115,862.88/88,065.54
  6. Step 6: Final answer
    x = 71,425.39

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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.