Home / 57,340.70-86,039.30-25,772.57

Finding the Fourth Proportional to 57,340.70, 86,039.30 and 25,772.57

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Solution

The fourth proportional to 57,340.70, 86,039.30 and 25,772.57 is: 38,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,340.70 : 86,039.30 = 25,772.57 : x
  2. Step 2: Convert to fraction form
    57,340.70/86,039.30 = 25,772.57/x
  3. Step 3: Cross multiply
    57,340.70x = 86,039.30 × 25,772.57
  4. Step 4: Simplify right side
    57,340.70x = 2,217,453,882.00
  5. Step 5: Solve for x
    x = 2,217,453,882.00/57,340.70
  6. Step 6: Final answer
    x = 38,671.55

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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.