Home / 124,926.24-172,414.80-80,343.84

Finding the Fourth Proportional to 124,926.24, 172,414.80 and 80,343.84

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Solution

The fourth proportional to 124,926.24, 172,414.80 and 80,343.84 is: 110,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,926.24 : 172,414.80 = 80,343.84 : x
  2. Step 2: Convert to fraction form
    124,926.24/172,414.80 = 80,343.84/x
  3. Step 3: Cross multiply
    124,926.24x = 172,414.80 × 80,343.84
  4. Step 4: Simplify right side
    124,926.24x = 13,852,467,104.83
  5. Step 5: Solve for x
    x = 13,852,467,104.83/124,926.24
  6. Step 6: Final answer
    x = 110,885.17

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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.