Home / 83,661.84-125,455.92-39,301.20

Finding the Fourth Proportional to 83,661.84, 125,455.92 and 39,301.20

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Solution

The fourth proportional to 83,661.84, 125,455.92 and 39,301.20 is: 58,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,661.84 : 125,455.92 = 39,301.20 : x
  2. Step 2: Convert to fraction form
    83,661.84/125,455.92 = 39,301.20/x
  3. Step 3: Cross multiply
    83,661.84x = 125,455.92 × 39,301.20
  4. Step 4: Simplify right side
    83,661.84x = 4,930,568,203.10
  5. Step 5: Solve for x
    x = 4,930,568,203.10/83,661.84
  6. Step 6: Final answer
    x = 58,934.49

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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.