Home / 51,045.78-76,376.22-45,866.10

Finding the Fourth Proportional to 51,045.78, 76,376.22 and 45,866.10

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Solution

The fourth proportional to 51,045.78, 76,376.22 and 45,866.10 is: 68,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,045.78 : 76,376.22 = 45,866.10 : x
  2. Step 2: Convert to fraction form
    51,045.78/76,376.22 = 45,866.10/x
  3. Step 3: Cross multiply
    51,045.78x = 76,376.22 × 45,866.10
  4. Step 4: Simplify right side
    51,045.78x = 3,503,079,344.14
  5. Step 5: Solve for x
    x = 3,503,079,344.14/51,045.78
  6. Step 6: Final answer
    x = 68,626.23

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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.