Home / 83,496.20-115,281.78-58,353.80

Finding the Fourth Proportional to 83,496.20, 115,281.78 and 58,353.80

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Solution

The fourth proportional to 83,496.20, 115,281.78 and 58,353.80 is: 80,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,496.20 : 115,281.78 = 58,353.80 : x
  2. Step 2: Convert to fraction form
    83,496.20/115,281.78 = 58,353.80/x
  3. Step 3: Cross multiply
    83,496.20x = 115,281.78 × 58,353.80
  4. Step 4: Simplify right side
    83,496.20x = 6,727,129,933.76
  5. Step 5: Solve for x
    x = 6,727,129,933.76/83,496.20
  6. Step 6: Final answer
    x = 80,568.10

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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.