Home / 50,747.49-76,128.52-15,689.88

Finding the Fourth Proportional to 50,747.49, 76,128.52 and 15,689.88

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Solution

The fourth proportional to 50,747.49, 76,128.52 and 15,689.88 is: 23,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,747.49 : 76,128.52 = 15,689.88 : x
  2. Step 2: Convert to fraction form
    50,747.49/76,128.52 = 15,689.88/x
  3. Step 3: Cross multiply
    50,747.49x = 76,128.52 × 15,689.88
  4. Step 4: Simplify right side
    50,747.49x = 1,194,447,343.38
  5. Step 5: Solve for x
    x = 1,194,447,343.38/50,747.49
  6. Step 6: Final answer
    x = 23,537.07

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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.