Home / 83,711.33-115,522.59-45,471.23

Finding the Fourth Proportional to 83,711.33, 115,522.59 and 45,471.23

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Solution

The fourth proportional to 83,711.33, 115,522.59 and 45,471.23 is: 62,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,711.33 : 115,522.59 = 45,471.23 : x
  2. Step 2: Convert to fraction form
    83,711.33/115,522.59 = 45,471.23/x
  3. Step 3: Cross multiply
    83,711.33x = 115,522.59 × 45,471.23
  4. Step 4: Simplify right side
    83,711.33x = 5,252,954,260.09
  5. Step 5: Solve for x
    x = 5,252,954,260.09/83,711.33
  6. Step 6: Final answer
    x = 62,750.82

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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.