Home / 83,542.24-115,288.86-45,816.76

Finding the Fourth Proportional to 83,542.24, 115,288.86 and 45,816.76

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Solution

The fourth proportional to 83,542.24, 115,288.86 and 45,816.76 is: 63,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542.24 : 115,288.86 = 45,816.76 : x
  2. Step 2: Convert to fraction form
    83,542.24/115,288.86 = 45,816.76/x
  3. Step 3: Cross multiply
    83,542.24x = 115,288.86 × 45,816.76
  4. Step 4: Simplify right side
    83,542.24x = 5,282,162,029.29
  5. Step 5: Solve for x
    x = 5,282,162,029.29/83,542.24
  6. Step 6: Final answer
    x = 63,227.44

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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.