Home / 88,381.02-121,968.38-48,097.38

Finding the Fourth Proportional to 88,381.02, 121,968.38 and 48,097.38

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Solution

The fourth proportional to 88,381.02, 121,968.38 and 48,097.38 is: 66,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.02 : 121,968.38 = 48,097.38 : x
  2. Step 2: Convert to fraction form
    88,381.02/121,968.38 = 48,097.38/x
  3. Step 3: Cross multiply
    88,381.02x = 121,968.38 × 48,097.38
  4. Step 4: Simplify right side
    88,381.02x = 5,866,359,280.36
  5. Step 5: Solve for x
    x = 5,866,359,280.36/88,381.02
  6. Step 6: Final answer
    x = 66,375.78

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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.