Home / 51,983.40-77,923.90-25,692.20

Finding the Fourth Proportional to 51,983.40, 77,923.90 and 25,692.20

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Solution

The fourth proportional to 51,983.40, 77,923.90 and 25,692.20 is: 38,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,983.40 : 77,923.90 = 25,692.20 : x
  2. Step 2: Convert to fraction form
    51,983.40/77,923.90 = 25,692.20/x
  3. Step 3: Cross multiply
    51,983.40x = 77,923.90 × 25,692.20
  4. Step 4: Simplify right side
    51,983.40x = 2,002,036,423.58
  5. Step 5: Solve for x
    x = 2,002,036,423.58/51,983.40
  6. Step 6: Final answer
    x = 38,512.99

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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.