Home / 51,665.28-77,378.24-44,086.40

Finding the Fourth Proportional to 51,665.28, 77,378.24 and 44,086.40

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Solution

The fourth proportional to 51,665.28, 77,378.24 and 44,086.40 is: 66,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665.28 : 77,378.24 = 44,086.40 : x
  2. Step 2: Convert to fraction form
    51,665.28/77,378.24 = 44,086.40/x
  3. Step 3: Cross multiply
    51,665.28x = 77,378.24 × 44,086.40
  4. Step 4: Simplify right side
    51,665.28x = 3,411,328,039.94
  5. Step 5: Solve for x
    x = 3,411,328,039.94/51,665.28
  6. Step 6: Final answer
    x = 66,027.48

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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.