Home / 45,212.70-67,851.45-25,470.30

Finding the Fourth Proportional to 45,212.70, 67,851.45 and 25,470.30

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Solution

The fourth proportional to 45,212.70, 67,851.45 and 25,470.30 is: 38,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212.70 : 67,851.45 = 25,470.30 : x
  2. Step 2: Convert to fraction form
    45,212.70/67,851.45 = 25,470.30/x
  3. Step 3: Cross multiply
    45,212.70x = 67,851.45 × 25,470.30
  4. Step 4: Simplify right side
    45,212.70x = 1,728,196,786.94
  5. Step 5: Solve for x
    x = 1,728,196,786.94/45,212.70
  6. Step 6: Final answer
    x = 38,223.70

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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.