Home / 51,422.70-76,920.72-48,273.42

Finding the Fourth Proportional to 51,422.70, 76,920.72 and 48,273.42

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Solution

The fourth proportional to 51,422.70, 76,920.72 and 48,273.42 is: 72,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,422.70 : 76,920.72 = 48,273.42 : x
  2. Step 2: Convert to fraction form
    51,422.70/76,920.72 = 48,273.42/x
  3. Step 3: Cross multiply
    51,422.70x = 76,920.72 × 48,273.42
  4. Step 4: Simplify right side
    51,422.70x = 3,713,226,223.26
  5. Step 5: Solve for x
    x = 3,713,226,223.26/51,422.70
  6. Step 6: Final answer
    x = 72,209.86

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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.