Home / 55,763.70-76,951.28-30,269.49

Finding the Fourth Proportional to 55,763.70, 76,951.28 and 30,269.49

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Solution

The fourth proportional to 55,763.70, 76,951.28 and 30,269.49 is: 41,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.70 : 76,951.28 = 30,269.49 : x
  2. Step 2: Convert to fraction form
    55,763.70/76,951.28 = 30,269.49/x
  3. Step 3: Cross multiply
    55,763.70x = 76,951.28 × 30,269.49
  4. Step 4: Simplify right side
    55,763.70x = 2,329,275,849.10
  5. Step 5: Solve for x
    x = 2,329,275,849.10/55,763.70
  6. Step 6: Final answer
    x = 41,770.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.