Home / 85,217.45-127,825.96-25,250.59

Finding the Fourth Proportional to 85,217.45, 127,825.96 and 25,250.59

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Solution

The fourth proportional to 85,217.45, 127,825.96 and 25,250.59 is: 37,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.45 : 127,825.96 = 25,250.59 : x
  2. Step 2: Convert to fraction form
    85,217.45/127,825.96 = 25,250.59/x
  3. Step 3: Cross multiply
    85,217.45x = 127,825.96 × 25,250.59
  4. Step 4: Simplify right side
    85,217.45x = 3,227,680,781.06
  5. Step 5: Solve for x
    x = 3,227,680,781.06/85,217.45
  6. Step 6: Final answer
    x = 37,875.82

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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.