Home / 80,749.31-111,439.19-48,926.03

Finding the Fourth Proportional to 80,749.31, 111,439.19 and 48,926.03

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Solution

The fourth proportional to 80,749.31, 111,439.19 and 48,926.03 is: 67,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749.31 : 111,439.19 = 48,926.03 : x
  2. Step 2: Convert to fraction form
    80,749.31/111,439.19 = 48,926.03/x
  3. Step 3: Cross multiply
    80,749.31x = 111,439.19 × 48,926.03
  4. Step 4: Simplify right side
    80,749.31x = 5,452,276,718.23
  5. Step 5: Solve for x
    x = 5,452,276,718.23/80,749.31
  6. Step 6: Final answer
    x = 67,521.04

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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.