Home / 51,182.40-76,687.20-33,643.20

Finding the Fourth Proportional to 51,182.40, 76,687.20 and 33,643.20

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Solution

The fourth proportional to 51,182.40, 76,687.20 and 33,643.20 is: 50,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,182.40 : 76,687.20 = 33,643.20 : x
  2. Step 2: Convert to fraction form
    51,182.40/76,687.20 = 33,643.20/x
  3. Step 3: Cross multiply
    51,182.40x = 76,687.20 × 33,643.20
  4. Step 4: Simplify right side
    51,182.40x = 2,580,002,807.04
  5. Step 5: Solve for x
    x = 2,580,002,807.04/51,182.40
  6. Step 6: Final answer
    x = 50,408.01

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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.