Home / 51,299.66-77,028.27-45,729.66

Finding the Fourth Proportional to 51,299.66, 77,028.27 and 45,729.66

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Solution

The fourth proportional to 51,299.66, 77,028.27 and 45,729.66 is: 68,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,299.66 : 77,028.27 = 45,729.66 : x
  2. Step 2: Convert to fraction form
    51,299.66/77,028.27 = 45,729.66/x
  3. Step 3: Cross multiply
    51,299.66x = 77,028.27 × 45,729.66
  4. Step 4: Simplify right side
    51,299.66x = 3,522,476,714.86
  5. Step 5: Solve for x
    x = 3,522,476,714.86/51,299.66
  6. Step 6: Final answer
    x = 68,664.72

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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.