Home / 127,707.24-176,229.09-70,344.66

Finding the Fourth Proportional to 127,707.24, 176,229.09 and 70,344.66

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Solution

The fourth proportional to 127,707.24, 176,229.09 and 70,344.66 is: 97,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.24 : 176,229.09 = 70,344.66 : x
  2. Step 2: Convert to fraction form
    127,707.24/176,229.09 = 70,344.66/x
  3. Step 3: Cross multiply
    127,707.24x = 176,229.09 × 70,344.66
  4. Step 4: Simplify right side
    127,707.24x = 12,396,775,418.16
  5. Step 5: Solve for x
    x = 12,396,775,418.16/127,707.24
  6. Step 6: Final answer
    x = 97,071.83

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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.