Home / 86,008.28-118,691.34-48,282.60

Finding the Fourth Proportional to 86,008.28, 118,691.34 and 48,282.60

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Solution

The fourth proportional to 86,008.28, 118,691.34 and 48,282.60 is: 66,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,008.28 : 118,691.34 = 48,282.60 : x
  2. Step 2: Convert to fraction form
    86,008.28/118,691.34 = 48,282.60/x
  3. Step 3: Cross multiply
    86,008.28x = 118,691.34 × 48,282.60
  4. Step 4: Simplify right side
    86,008.28x = 5,730,726,492.68
  5. Step 5: Solve for x
    x = 5,730,726,492.68/86,008.28
  6. Step 6: Final answer
    x = 66,629.94

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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.