Home / 80,672.04-111,330.12-44,375.02

Finding the Fourth Proportional to 80,672.04, 111,330.12 and 44,375.02

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Solution

The fourth proportional to 80,672.04, 111,330.12 and 44,375.02 is: 61,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,672.04 : 111,330.12 = 44,375.02 : x
  2. Step 2: Convert to fraction form
    80,672.04/111,330.12 = 44,375.02/x
  3. Step 3: Cross multiply
    80,672.04x = 111,330.12 × 44,375.02
  4. Step 4: Simplify right side
    80,672.04x = 4,940,276,301.60
  5. Step 5: Solve for x
    x = 4,940,276,301.60/80,672.04
  6. Step 6: Final answer
    x = 61,239.02

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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.