Home / 83,664.44-125,515.38-28,259

Finding the Fourth Proportional to 83,664.44, 125,515.38 and 28,259

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Solution

The fourth proportional to 83,664.44, 125,515.38 and 28,259 is: 42,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.44 : 125,515.38 = 28,259 : x
  2. Step 2: Convert to fraction form
    83,664.44/125,515.38 = 28,259/x
  3. Step 3: Cross multiply
    83,664.44x = 125,515.38 × 28,259
  4. Step 4: Simplify right side
    83,664.44x = 3,546,939,123.42
  5. Step 5: Solve for x
    x = 3,546,939,123.42/83,664.44
  6. Step 6: Final answer
    x = 42,394.82

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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.