Home / 124,726.33-186,972.86-45,819.37

Finding the Fourth Proportional to 124,726.33, 186,972.86 and 45,819.37

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Solution

The fourth proportional to 124,726.33, 186,972.86 and 45,819.37 is: 68,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,726.33 : 186,972.86 = 45,819.37 : x
  2. Step 2: Convert to fraction form
    124,726.33/186,972.86 = 45,819.37/x
  3. Step 3: Cross multiply
    124,726.33x = 186,972.86 × 45,819.37
  4. Step 4: Simplify right side
    124,726.33x = 8,566,978,423.20
  5. Step 5: Solve for x
    x = 8,566,978,423.20/124,726.33
  6. Step 6: Final answer
    x = 68,686.21

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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.