Home / 68,881.28-95,031.72-45,021.73

Finding the Fourth Proportional to 68,881.28, 95,031.72 and 45,021.73

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Solution

The fourth proportional to 68,881.28, 95,031.72 and 45,021.73 is: 62,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,881.28 : 95,031.72 = 45,021.73 : x
  2. Step 2: Convert to fraction form
    68,881.28/95,031.72 = 45,021.73/x
  3. Step 3: Cross multiply
    68,881.28x = 95,031.72 × 45,021.73
  4. Step 4: Simplify right side
    68,881.28x = 4,278,492,439.28
  5. Step 5: Solve for x
    x = 4,278,492,439.28/68,881.28
  6. Step 6: Final answer
    x = 62,114.01

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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.