Home / 124,642.22-172,006.17-68,053.59

Finding the Fourth Proportional to 124,642.22, 172,006.17 and 68,053.59

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Solution

The fourth proportional to 124,642.22, 172,006.17 and 68,053.59 is: 93,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,642.22 : 172,006.17 = 68,053.59 : x
  2. Step 2: Convert to fraction form
    124,642.22/172,006.17 = 68,053.59/x
  3. Step 3: Cross multiply
    124,642.22x = 172,006.17 × 68,053.59
  4. Step 4: Simplify right side
    124,642.22x = 11,705,637,370.65
  5. Step 5: Solve for x
    x = 11,705,637,370.65/124,642.22
  6. Step 6: Final answer
    x = 93,913.91

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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.