Home / 124,820.24-172,254.60-68,236.88

Finding the Fourth Proportional to 124,820.24, 172,254.60 and 68,236.88

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Solution

The fourth proportional to 124,820.24, 172,254.60 and 68,236.88 is: 94,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.24 : 172,254.60 = 68,236.88 : x
  2. Step 2: Convert to fraction form
    124,820.24/172,254.60 = 68,236.88/x
  3. Step 3: Cross multiply
    124,820.24x = 172,254.60 × 68,236.88
  4. Step 4: Simplify right side
    124,820.24x = 11,754,116,469.65
  5. Step 5: Solve for x
    x = 11,754,116,469.65/124,820.24
  6. Step 6: Final answer
    x = 94,168.35

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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.