Home / 83,508.92-115,247.02-49,537.52

Finding the Fourth Proportional to 83,508.92, 115,247.02 and 49,537.52

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Solution

The fourth proportional to 83,508.92, 115,247.02 and 49,537.52 is: 68,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,508.92 : 115,247.02 = 49,537.52 : x
  2. Step 2: Convert to fraction form
    83,508.92/115,247.02 = 49,537.52/x
  3. Step 3: Cross multiply
    83,508.92x = 115,247.02 × 49,537.52
  4. Step 4: Simplify right side
    83,508.92x = 5,709,051,558.19
  5. Step 5: Solve for x
    x = 5,709,051,558.19/83,508.92
  6. Step 6: Final answer
    x = 68,364.57

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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.