Home / 107,686.08-161,553.69-41,124.78

Finding the Fourth Proportional to 107,686.08, 161,553.69 and 41,124.78

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Solution

The fourth proportional to 107,686.08, 161,553.69 and 41,124.78 is: 61,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,686.08 : 161,553.69 = 41,124.78 : x
  2. Step 2: Convert to fraction form
    107,686.08/161,553.69 = 41,124.78/x
  3. Step 3: Cross multiply
    107,686.08x = 161,553.69 × 41,124.78
  4. Step 4: Simplify right side
    107,686.08x = 6,643,859,959.44
  5. Step 5: Solve for x
    x = 6,643,859,959.44/107,686.08
  6. Step 6: Final answer
    x = 61,696.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.