Home / 83,648.28-115,433.19-45,922.26

Finding the Fourth Proportional to 83,648.28, 115,433.19 and 45,922.26

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Solution

The fourth proportional to 83,648.28, 115,433.19 and 45,922.26 is: 63,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,648.28 : 115,433.19 = 45,922.26 : x
  2. Step 2: Convert to fraction form
    83,648.28/115,433.19 = 45,922.26/x
  3. Step 3: Cross multiply
    83,648.28x = 115,433.19 × 45,922.26
  4. Step 4: Simplify right side
    83,648.28x = 5,300,952,963.81
  5. Step 5: Solve for x
    x = 5,300,952,963.81/83,648.28
  6. Step 6: Final answer
    x = 63,371.93

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1.5x scale

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.