Home / 124,769.88-172,184.76-68,180.04

Finding the Fourth Proportional to 124,769.88, 172,184.76 and 68,180.04

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Solution

The fourth proportional to 124,769.88, 172,184.76 and 68,180.04 is: 94,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,769.88 : 172,184.76 = 68,180.04 : x
  2. Step 2: Convert to fraction form
    124,769.88/172,184.76 = 68,180.04/x
  3. Step 3: Cross multiply
    124,769.88x = 172,184.76 × 68,180.04
  4. Step 4: Simplify right side
    124,769.88x = 11,739,563,824.19
  5. Step 5: Solve for x
    x = 11,739,563,824.19/124,769.88
  6. Step 6: Final answer
    x = 94,089.73

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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.