Home / 115,062.48-172,589.60-40,182.34

Finding the Fourth Proportional to 115,062.48, 172,589.60 and 40,182.34

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Solution

The fourth proportional to 115,062.48, 172,589.60 and 40,182.34 is: 60,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,062.48 : 172,589.60 = 40,182.34 : x
  2. Step 2: Convert to fraction form
    115,062.48/172,589.60 = 40,182.34/x
  3. Step 3: Cross multiply
    115,062.48x = 172,589.60 × 40,182.34
  4. Step 4: Simplify right side
    115,062.48x = 6,935,053,987.66
  5. Step 5: Solve for x
    x = 6,935,053,987.66/115,062.48
  6. Step 6: Final answer
    x = 60,272.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.