Home / 83,833.50-115,621.11-50,275.74

Finding the Fourth Proportional to 83,833.50, 115,621.11 and 50,275.74

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Solution

The fourth proportional to 83,833.50, 115,621.11 and 50,275.74 is: 69,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,833.50 : 115,621.11 = 50,275.74 : x
  2. Step 2: Convert to fraction form
    83,833.50/115,621.11 = 50,275.74/x
  3. Step 3: Cross multiply
    83,833.50x = 115,621.11 × 50,275.74
  4. Step 4: Simplify right side
    83,833.50x = 5,812,936,864.87
  5. Step 5: Solve for x
    x = 5,812,936,864.87/83,833.50
  6. Step 6: Final answer
    x = 69,339.07

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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.