Home / 124,718.44-172,115.23-68,133.46

Finding the Fourth Proportional to 124,718.44, 172,115.23 and 68,133.46

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Solution

The fourth proportional to 124,718.44, 172,115.23 and 68,133.46 is: 94,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,718.44 : 172,115.23 = 68,133.46 : x
  2. Step 2: Convert to fraction form
    124,718.44/172,115.23 = 68,133.46/x
  3. Step 3: Cross multiply
    124,718.44x = 172,115.23 × 68,133.46
  4. Step 4: Simplify right side
    124,718.44x = 11,726,806,138.60
  5. Step 5: Solve for x
    x = 11,726,806,138.60/124,718.44
  6. Step 6: Final answer
    x = 94,026.24

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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.