Home / 79,869.60-119,687.76-44,819.28

Finding the Fourth Proportional to 79,869.60, 119,687.76 and 44,819.28

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Solution

The fourth proportional to 79,869.60, 119,687.76 and 44,819.28 is: 67,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869.60 : 119,687.76 = 44,819.28 : x
  2. Step 2: Convert to fraction form
    79,869.60/119,687.76 = 44,819.28/x
  3. Step 3: Cross multiply
    79,869.60x = 119,687.76 × 44,819.28
  4. Step 4: Simplify right side
    79,869.60x = 5,364,319,228.01
  5. Step 5: Solve for x
    x = 5,364,319,228.01/79,869.60
  6. Step 6: Final answer
    x = 67,163.47

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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.