Home / 113,746.47-156,979.05-62,769.33

Finding the Fourth Proportional to 113,746.47, 156,979.05 and 62,769.33

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Solution

The fourth proportional to 113,746.47, 156,979.05 and 62,769.33 is: 86,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746.47 : 156,979.05 = 62,769.33 : x
  2. Step 2: Convert to fraction form
    113,746.47/156,979.05 = 62,769.33/x
  3. Step 3: Cross multiply
    113,746.47x = 156,979.05 × 62,769.33
  4. Step 4: Simplify right side
    113,746.47x = 9,853,469,792.54
  5. Step 5: Solve for x
    x = 9,853,469,792.54/113,746.47
  6. Step 6: Final answer
    x = 86,626.60

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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.