Home / 124,694.76-172,079.66-68,106.12

Finding the Fourth Proportional to 124,694.76, 172,079.66 and 68,106.12

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Solution

The fourth proportional to 124,694.76, 172,079.66 and 68,106.12 is: 93,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,694.76 : 172,079.66 = 68,106.12 : x
  2. Step 2: Convert to fraction form
    124,694.76/172,079.66 = 68,106.12/x
  3. Step 3: Cross multiply
    124,694.76x = 172,079.66 × 68,106.12
  4. Step 4: Simplify right side
    124,694.76x = 11,719,677,973.52
  5. Step 5: Solve for x
    x = 11,719,677,973.52/124,694.76
  6. Step 6: Final answer
    x = 93,986.93

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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.