Home / 83,347.48-115,001.76-49,366.60

Finding the Fourth Proportional to 83,347.48, 115,001.76 and 49,366.60

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Solution

The fourth proportional to 83,347.48, 115,001.76 and 49,366.60 is: 68,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.48 : 115,001.76 = 49,366.60 : x
  2. Step 2: Convert to fraction form
    83,347.48/115,001.76 = 49,366.60/x
  3. Step 3: Cross multiply
    83,347.48x = 115,001.76 × 49,366.60
  4. Step 4: Simplify right side
    83,347.48x = 5,677,245,885.22
  5. Step 5: Solve for x
    x = 5,677,245,885.22/83,347.48
  6. Step 6: Final answer
    x = 68,115.39

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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.