Home / 76,221.68-113,868.95-49,348.76

Finding the Fourth Proportional to 76,221.68, 113,868.95 and 49,348.76

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Solution

The fourth proportional to 76,221.68, 113,868.95 and 49,348.76 is: 73,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,221.68 : 113,868.95 = 49,348.76 : x
  2. Step 2: Convert to fraction form
    76,221.68/113,868.95 = 49,348.76/x
  3. Step 3: Cross multiply
    76,221.68x = 113,868.95 × 49,348.76
  4. Step 4: Simplify right side
    76,221.68x = 5,619,290,668.91
  5. Step 5: Solve for x
    x = 5,619,290,668.91/76,221.68
  6. Step 6: Final answer
    x = 73,723.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.