Home / 83,356.11-115,041.74-62,098.47

Finding the Fourth Proportional to 83,356.11, 115,041.74 and 62,098.47

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Solution

The fourth proportional to 83,356.11, 115,041.74 and 62,098.47 is: 85,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,356.11 : 115,041.74 = 62,098.47 : x
  2. Step 2: Convert to fraction form
    83,356.11/115,041.74 = 62,098.47/x
  3. Step 3: Cross multiply
    83,356.11x = 115,041.74 × 62,098.47
  4. Step 4: Simplify right side
    83,356.11x = 7,143,915,729.65
  5. Step 5: Solve for x
    x = 7,143,915,729.65/83,356.11
  6. Step 6: Final answer
    x = 85,703.56

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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.