Home / 83,558.61-115,292.23-49,549.82

Finding the Fourth Proportional to 83,558.61, 115,292.23 and 49,549.82

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Solution

The fourth proportional to 83,558.61, 115,292.23 and 49,549.82 is: 68,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,558.61 : 115,292.23 = 49,549.82 : x
  2. Step 2: Convert to fraction form
    83,558.61/115,292.23 = 49,549.82/x
  3. Step 3: Cross multiply
    83,558.61x = 115,292.23 × 49,549.82
  4. Step 4: Simplify right side
    83,558.61x = 5,712,708,543.56
  5. Step 5: Solve for x
    x = 5,712,708,543.56/83,558.61
  6. Step 6: Final answer
    x = 68,367.68

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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.