Home / 51,151.05-76,738.02-15,615.52

Finding the Fourth Proportional to 51,151.05, 76,738.02 and 15,615.52

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Solution

The fourth proportional to 51,151.05, 76,738.02 and 15,615.52 is: 23,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.05 : 76,738.02 = 15,615.52 : x
  2. Step 2: Convert to fraction form
    51,151.05/76,738.02 = 15,615.52/x
  3. Step 3: Cross multiply
    51,151.05x = 76,738.02 × 15,615.52
  4. Step 4: Simplify right side
    51,151.05x = 1,198,304,086.07
  5. Step 5: Solve for x
    x = 1,198,304,086.07/51,151.05
  6. Step 6: Final answer
    x = 23,426.77

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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.