Home / 115,268.27-172,920.29-48,708.68

Finding the Fourth Proportional to 115,268.27, 172,920.29 and 48,708.68

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Solution

The fourth proportional to 115,268.27, 172,920.29 and 48,708.68 is: 73,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,268.27 : 172,920.29 = 48,708.68 : x
  2. Step 2: Convert to fraction form
    115,268.27/172,920.29 = 48,708.68/x
  3. Step 3: Cross multiply
    115,268.27x = 172,920.29 × 48,708.68
  4. Step 4: Simplify right side
    115,268.27x = 8,422,717,962.97
  5. Step 5: Solve for x
    x = 8,422,717,962.97/115,268.27
  6. Step 6: Final answer
    x = 73,070.57

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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.