Home / 83,513.22-115,252.96-49,541.82

Finding the Fourth Proportional to 83,513.22, 115,252.96 and 49,541.82

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Solution

The fourth proportional to 83,513.22, 115,252.96 and 49,541.82 is: 68,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,513.22 : 115,252.96 = 49,541.82 : x
  2. Step 2: Convert to fraction form
    83,513.22/115,252.96 = 49,541.82/x
  3. Step 3: Cross multiply
    83,513.22x = 115,252.96 × 49,541.82
  4. Step 4: Simplify right side
    83,513.22x = 5,709,841,748.85
  5. Step 5: Solve for x
    x = 5,709,841,748.85/83,513.22
  6. Step 6: Final answer
    x = 68,370.51

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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.