Home / 88,380.82-121,968.10-48,097.18

Finding the Fourth Proportional to 88,380.82, 121,968.10 and 48,097.18

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Solution

The fourth proportional to 88,380.82, 121,968.10 and 48,097.18 is: 66,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380.82 : 121,968.10 = 48,097.18 : x
  2. Step 2: Convert to fraction form
    88,380.82/121,968.10 = 48,097.18/x
  3. Step 3: Cross multiply
    88,380.82x = 121,968.10 × 48,097.18
  4. Step 4: Simplify right side
    88,380.82x = 5,866,321,419.47
  5. Step 5: Solve for x
    x = 5,866,321,419.47/88,380.82
  6. Step 6: Final answer
    x = 66,375.50

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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.