Home / 51,047.18-76,578.94-17,776.70

Finding the Fourth Proportional to 51,047.18, 76,578.94 and 17,776.70

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Solution

The fourth proportional to 51,047.18, 76,578.94 and 17,776.70 is: 26,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.18 : 76,578.94 = 17,776.70 : x
  2. Step 2: Convert to fraction form
    51,047.18/76,578.94 = 17,776.70/x
  3. Step 3: Cross multiply
    51,047.18x = 76,578.94 × 17,776.70
  4. Step 4: Simplify right side
    51,047.18x = 1,361,320,669.20
  5. Step 5: Solve for x
    x = 1,361,320,669.20/51,047.18
  6. Step 6: Final answer
    x = 26,667.89

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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.