Home / 88,380.85-121,968.14-48,097.21

Finding the Fourth Proportional to 88,380.85, 121,968.14 and 48,097.21

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Solution

The fourth proportional to 88,380.85, 121,968.14 and 48,097.21 is: 66,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380.85 : 121,968.14 = 48,097.21 : x
  2. Step 2: Convert to fraction form
    88,380.85/121,968.14 = 48,097.21/x
  3. Step 3: Cross multiply
    88,380.85x = 121,968.14 × 48,097.21
  4. Step 4: Simplify right side
    88,380.85x = 5,866,327,242.89
  5. Step 5: Solve for x
    x = 5,866,327,242.89/88,380.85
  6. Step 6: Final answer
    x = 66,375.55

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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.