Home / 124,820.52-172,210.26-71,067.51

Finding the Fourth Proportional to 124,820.52, 172,210.26 and 71,067.51

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Solution

The fourth proportional to 124,820.52, 172,210.26 and 71,067.51 is: 98,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.52 : 172,210.26 = 71,067.51 : x
  2. Step 2: Convert to fraction form
    124,820.52/172,210.26 = 71,067.51/x
  3. Step 3: Cross multiply
    124,820.52x = 172,210.26 × 71,067.51
  4. Step 4: Simplify right side
    124,820.52x = 12,238,554,374.65
  5. Step 5: Solve for x
    x = 12,238,554,374.65/124,820.52
  6. Step 6: Final answer
    x = 98,049.22

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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.