Home / 45,370.05-68,046.20-43,119.66

Finding the Fourth Proportional to 45,370.05, 68,046.20 and 43,119.66

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Solution

The fourth proportional to 45,370.05, 68,046.20 and 43,119.66 is: 64,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.05 : 68,046.20 = 43,119.66 : x
  2. Step 2: Convert to fraction form
    45,370.05/68,046.20 = 43,119.66/x
  3. Step 3: Cross multiply
    45,370.05x = 68,046.20 × 43,119.66
  4. Step 4: Simplify right side
    45,370.05x = 2,934,128,792.69
  5. Step 5: Solve for x
    x = 2,934,128,792.69/45,370.05
  6. Step 6: Final answer
    x = 64,671.05

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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.