Home / 52,144.57-78,223.40-25,491.43

Finding the Fourth Proportional to 52,144.57, 78,223.40 and 25,491.43

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Solution

The fourth proportional to 52,144.57, 78,223.40 and 25,491.43 is: 38,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,144.57 : 78,223.40 = 25,491.43 : x
  2. Step 2: Convert to fraction form
    52,144.57/78,223.40 = 25,491.43/x
  3. Step 3: Cross multiply
    52,144.57x = 78,223.40 × 25,491.43
  4. Step 4: Simplify right side
    52,144.57x = 1,994,026,325.46
  5. Step 5: Solve for x
    x = 1,994,026,325.46/52,144.57
  6. Step 6: Final answer
    x = 38,240.34

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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.