Home / 51,764.20-77,664.52-25,487.40

Finding the Fourth Proportional to 51,764.20, 77,664.52 and 25,487.40

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Solution

The fourth proportional to 51,764.20, 77,664.52 and 25,487.40 is: 38,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,764.20 : 77,664.52 = 25,487.40 : x
  2. Step 2: Convert to fraction form
    51,764.20/77,664.52 = 25,487.40/x
  3. Step 3: Cross multiply
    51,764.20x = 77,664.52 × 25,487.40
  4. Step 4: Simplify right side
    51,764.20x = 1,979,466,687.05
  5. Step 5: Solve for x
    x = 1,979,466,687.05/51,764.20
  6. Step 6: Final answer
    x = 38,240.07

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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.