Home / 107,949.69-148,988.61-62,665.29

Finding the Fourth Proportional to 107,949.69, 148,988.61 and 62,665.29

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Solution

The fourth proportional to 107,949.69, 148,988.61 and 62,665.29 is: 86,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.69 : 148,988.61 = 62,665.29 : x
  2. Step 2: Convert to fraction form
    107,949.69/148,988.61 = 62,665.29/x
  3. Step 3: Cross multiply
    107,949.69x = 148,988.61 × 62,665.29
  4. Step 4: Simplify right side
    107,949.69x = 9,336,414,452.35
  5. Step 5: Solve for x
    x = 9,336,414,452.35/107,949.69
  6. Step 6: Final answer
    x = 86,488.57

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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.