Home / 83,515.20-125,278.64-33,595.56

Finding the Fourth Proportional to 83,515.20, 125,278.64 and 33,595.56

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Solution

The fourth proportional to 83,515.20, 125,278.64 and 33,595.56 is: 50,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,515.20 : 125,278.64 = 33,595.56 : x
  2. Step 2: Convert to fraction form
    83,515.20/125,278.64 = 33,595.56/x
  3. Step 3: Cross multiply
    83,515.20x = 125,278.64 × 33,595.56
  4. Step 4: Simplify right side
    83,515.20x = 4,208,806,066.84
  5. Step 5: Solve for x
    x = 4,208,806,066.84/83,515.20
  6. Step 6: Final answer
    x = 50,395.69

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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.