Home / 124,891.56-172,370.76-92,839.08

Finding the Fourth Proportional to 124,891.56, 172,370.76 and 92,839.08

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Solution

The fourth proportional to 124,891.56, 172,370.76 and 92,839.08 is: 128,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,891.56 : 172,370.76 = 92,839.08 : x
  2. Step 2: Convert to fraction form
    124,891.56/172,370.76 = 92,839.08/x
  3. Step 3: Cross multiply
    124,891.56x = 172,370.76 × 92,839.08
  4. Step 4: Simplify right side
    124,891.56x = 16,002,742,777.30
  5. Step 5: Solve for x
    x = 16,002,742,777.30/124,891.56
  6. Step 6: Final answer
    x = 128,133.10

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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.