Home / 83,660.34-115,450.92-47,850.28

Finding the Fourth Proportional to 83,660.34, 115,450.92 and 47,850.28

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Solution

The fourth proportional to 83,660.34, 115,450.92 and 47,850.28 is: 66,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,660.34 : 115,450.92 = 47,850.28 : x
  2. Step 2: Convert to fraction form
    83,660.34/115,450.92 = 47,850.28/x
  3. Step 3: Cross multiply
    83,660.34x = 115,450.92 × 47,850.28
  4. Step 4: Simplify right side
    83,660.34x = 5,524,358,848.26
  5. Step 5: Solve for x
    x = 5,524,358,848.26/83,660.34
  6. Step 6: Final answer
    x = 66,033.19

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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.