Home / 77,076.62-106,363.49-43,085.18

Finding the Fourth Proportional to 77,076.62, 106,363.49 and 43,085.18

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Solution

The fourth proportional to 77,076.62, 106,363.49 and 43,085.18 is: 59,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.62 : 106,363.49 = 43,085.18 : x
  2. Step 2: Convert to fraction form
    77,076.62/106,363.49 = 43,085.18/x
  3. Step 3: Cross multiply
    77,076.62x = 106,363.49 × 43,085.18
  4. Step 4: Simplify right side
    77,076.62x = 4,582,690,112.08
  5. Step 5: Solve for x
    x = 4,582,690,112.08/77,076.62
  6. Step 6: Final answer
    x = 59,456.29

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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.