Home / 124,685.04-187,051.96-45,799.88

Finding the Fourth Proportional to 124,685.04, 187,051.96 and 45,799.88

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Solution

The fourth proportional to 124,685.04, 187,051.96 and 45,799.88 is: 68,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,685.04 : 187,051.96 = 45,799.88 : x
  2. Step 2: Convert to fraction form
    124,685.04/187,051.96 = 45,799.88/x
  3. Step 3: Cross multiply
    124,685.04x = 187,051.96 × 45,799.88
  4. Step 4: Simplify right side
    124,685.04x = 8,566,957,321.76
  5. Step 5: Solve for x
    x = 8,566,957,321.76/124,685.04
  6. Step 6: Final answer
    x = 68,708.78

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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.