Home / 122,806.26-169,470.96-69,091.36

Finding the Fourth Proportional to 122,806.26, 169,470.96 and 69,091.36

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Solution

The fourth proportional to 122,806.26, 169,470.96 and 69,091.36 is: 95,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,806.26 : 169,470.96 = 69,091.36 : x
  2. Step 2: Convert to fraction form
    122,806.26/169,470.96 = 69,091.36/x
  3. Step 3: Cross multiply
    122,806.26x = 169,470.96 × 69,091.36
  4. Step 4: Simplify right side
    122,806.26x = 11,708,979,106.91
  5. Step 5: Solve for x
    x = 11,708,979,106.91/122,806.26
  6. Step 6: Final answer
    x = 95,345.13

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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.