Home / 83,178.57-114,752.12-60,467.79

Finding the Fourth Proportional to 83,178.57, 114,752.12 and 60,467.79

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Solution

The fourth proportional to 83,178.57, 114,752.12 and 60,467.79 is: 83,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.57 : 114,752.12 = 60,467.79 : x
  2. Step 2: Convert to fraction form
    83,178.57/114,752.12 = 60,467.79/x
  3. Step 3: Cross multiply
    83,178.57x = 114,752.12 × 60,467.79
  4. Step 4: Simplify right side
    83,178.57x = 6,938,806,791.88
  5. Step 5: Solve for x
    x = 6,938,806,791.88/83,178.57
  6. Step 6: Final answer
    x = 83,420.61

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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.