Home / 74,908.31-103,395.62-43,099.61

Finding the Fourth Proportional to 74,908.31, 103,395.62 and 43,099.61

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Solution

The fourth proportional to 74,908.31, 103,395.62 and 43,099.61 is: 59,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908.31 : 103,395.62 = 43,099.61 : x
  2. Step 2: Convert to fraction form
    74,908.31/103,395.62 = 43,099.61/x
  3. Step 3: Cross multiply
    74,908.31x = 103,395.62 × 43,099.61
  4. Step 4: Simplify right side
    74,908.31x = 4,456,310,488.48
  5. Step 5: Solve for x
    x = 4,456,310,488.48/74,908.31
  6. Step 6: Final answer
    x = 59,490.21

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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.