Home / 124,824.22-172,257.51-68,235.61

Finding the Fourth Proportional to 124,824.22, 172,257.51 and 68,235.61

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Solution

The fourth proportional to 124,824.22, 172,257.51 and 68,235.61 is: 94,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,824.22 : 172,257.51 = 68,235.61 : x
  2. Step 2: Convert to fraction form
    124,824.22/172,257.51 = 68,235.61/x
  3. Step 3: Cross multiply
    124,824.22x = 172,257.51 × 68,235.61
  4. Step 4: Simplify right side
    124,824.22x = 11,754,096,271.93
  5. Step 5: Solve for x
    x = 11,754,096,271.93/124,824.22
  6. Step 6: Final answer
    x = 94,165.19

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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.