Home / 51,943.74-77,915.61-40,396.38

Finding the Fourth Proportional to 51,943.74, 77,915.61 and 40,396.38

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Solution

The fourth proportional to 51,943.74, 77,915.61 and 40,396.38 is: 60,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.74 : 77,915.61 = 40,396.38 : x
  2. Step 2: Convert to fraction form
    51,943.74/77,915.61 = 40,396.38/x
  3. Step 3: Cross multiply
    51,943.74x = 77,915.61 × 40,396.38
  4. Step 4: Simplify right side
    51,943.74x = 3,147,508,589.49
  5. Step 5: Solve for x
    x = 3,147,508,589.49/51,943.74
  6. Step 6: Final answer
    x = 60,594.57

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1.5x scale

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.