Home / 96,278.56-144,488.78-45,677.76

Finding the Fourth Proportional to 96,278.56, 144,488.78 and 45,677.76

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Solution

The fourth proportional to 96,278.56, 144,488.78 and 45,677.76 is: 68,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,278.56 : 144,488.78 = 45,677.76 : x
  2. Step 2: Convert to fraction form
    96,278.56/144,488.78 = 45,677.76/x
  3. Step 3: Cross multiply
    96,278.56x = 144,488.78 × 45,677.76
  4. Step 4: Simplify right side
    96,278.56x = 6,599,923,815.53
  5. Step 5: Solve for x
    x = 6,599,923,815.53/96,278.56
  6. Step 6: Final answer
    x = 68,550.30

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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.