Home / 124,976.74-172,467.41-67,615.88

Finding the Fourth Proportional to 124,976.74, 172,467.41 and 67,615.88

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Solution

The fourth proportional to 124,976.74, 172,467.41 and 67,615.88 is: 93,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.74 : 172,467.41 = 67,615.88 : x
  2. Step 2: Convert to fraction form
    124,976.74/172,467.41 = 67,615.88/x
  3. Step 3: Cross multiply
    124,976.74x = 172,467.41 × 67,615.88
  4. Step 4: Simplify right side
    124,976.74x = 11,661,535,698.47
  5. Step 5: Solve for x
    x = 11,661,535,698.47/124,976.74
  6. Step 6: Final answer
    x = 93,309.65

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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.