Home / 82,724.20-124,086.30-73,538.80

Finding the Fourth Proportional to 82,724.20, 124,086.30 and 73,538.80

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Solution

The fourth proportional to 82,724.20, 124,086.30 and 73,538.80 is: 110,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,724.20 : 124,086.30 = 73,538.80 : x
  2. Step 2: Convert to fraction form
    82,724.20/124,086.30 = 73,538.80/x
  3. Step 3: Cross multiply
    82,724.20x = 124,086.30 × 73,538.80
  4. Step 4: Simplify right side
    82,724.20x = 9,125,157,598.44
  5. Step 5: Solve for x
    x = 9,125,157,598.44/82,724.20
  6. Step 6: Final answer
    x = 110,308.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.