Home / 80,869.14-111,594.56-45,052.76

Finding the Fourth Proportional to 80,869.14, 111,594.56 and 45,052.76

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Solution

The fourth proportional to 80,869.14, 111,594.56 and 45,052.76 is: 62,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869.14 : 111,594.56 = 45,052.76 : x
  2. Step 2: Convert to fraction form
    80,869.14/111,594.56 = 45,052.76/x
  3. Step 3: Cross multiply
    80,869.14x = 111,594.56 × 45,052.76
  4. Step 4: Simplify right side
    80,869.14x = 5,027,642,145.75
  5. Step 5: Solve for x
    x = 5,027,642,145.75/80,869.14
  6. Step 6: Final answer
    x = 62,170.10

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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.