Home / 83,716.60-115,528.30-50,182.52

Finding the Fourth Proportional to 83,716.60, 115,528.30 and 50,182.52

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Solution

The fourth proportional to 83,716.60, 115,528.30 and 50,182.52 is: 69,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716.60 : 115,528.30 = 50,182.52 : x
  2. Step 2: Convert to fraction form
    83,716.60/115,528.30 = 50,182.52/x
  3. Step 3: Cross multiply
    83,716.60x = 115,528.30 × 50,182.52
  4. Step 4: Simplify right side
    83,716.60x = 5,797,501,225.32
  5. Step 5: Solve for x
    x = 5,797,501,225.32/83,716.60
  6. Step 6: Final answer
    x = 69,251.51

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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.