Home / 83,947.71-125,921.57-27,772.77

Finding the Fourth Proportional to 83,947.71, 125,921.57 and 27,772.77

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Solution

The fourth proportional to 83,947.71, 125,921.57 and 27,772.77 is: 41,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.71 : 125,921.57 = 27,772.77 : x
  2. Step 2: Convert to fraction form
    83,947.71/125,921.57 = 27,772.77/x
  3. Step 3: Cross multiply
    83,947.71x = 125,921.57 × 27,772.77
  4. Step 4: Simplify right side
    83,947.71x = 3,497,190,662.79
  5. Step 5: Solve for x
    x = 3,497,190,662.79/83,947.71
  6. Step 6: Final answer
    x = 41,659.16

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1.5x scale

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.