Home / 124,904.49-172,326.25-71,151.47

Finding the Fourth Proportional to 124,904.49, 172,326.25 and 71,151.47

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Solution

The fourth proportional to 124,904.49, 172,326.25 and 71,151.47 is: 98,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,904.49 : 172,326.25 = 71,151.47 : x
  2. Step 2: Convert to fraction form
    124,904.49/172,326.25 = 71,151.47/x
  3. Step 3: Cross multiply
    124,904.49x = 172,326.25 × 71,151.47
  4. Step 4: Simplify right side
    124,904.49x = 12,261,266,007.09
  5. Step 5: Solve for x
    x = 12,261,266,007.09/124,904.49
  6. Step 6: Final answer
    x = 98,165.13

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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.