Home / 45,370.30-68,046.57-43,119.91

Finding the Fourth Proportional to 45,370.30, 68,046.57 and 43,119.91

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Solution

The fourth proportional to 45,370.30, 68,046.57 and 43,119.91 is: 64,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.30 : 68,046.57 = 43,119.91 : x
  2. Step 2: Convert to fraction form
    45,370.30/68,046.57 = 43,119.91/x
  3. Step 3: Cross multiply
    45,370.30x = 68,046.57 × 43,119.91
  4. Step 4: Simplify right side
    45,370.30x = 2,934,161,974.21
  5. Step 5: Solve for x
    x = 2,934,161,974.21/45,370.30
  6. Step 6: Final answer
    x = 64,671.43

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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.