Home / 86,691.22-119,632.46-48,451.30

Finding the Fourth Proportional to 86,691.22, 119,632.46 and 48,451.30

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Solution

The fourth proportional to 86,691.22, 119,632.46 and 48,451.30 is: 66,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,691.22 : 119,632.46 = 48,451.30 : x
  2. Step 2: Convert to fraction form
    86,691.22/119,632.46 = 48,451.30/x
  3. Step 3: Cross multiply
    86,691.22x = 119,632.46 × 48,451.30
  4. Step 4: Simplify right side
    86,691.22x = 5,796,348,209.20
  5. Step 5: Solve for x
    x = 5,796,348,209.20/86,691.22
  6. Step 6: Final answer
    x = 66,862.00

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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.