Home / 75,171.78-103,737.07-41,181.48

Finding the Fourth Proportional to 75,171.78, 103,737.07 and 41,181.48

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Solution

The fourth proportional to 75,171.78, 103,737.07 and 41,181.48 is: 56,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.78 : 103,737.07 = 41,181.48 : x
  2. Step 2: Convert to fraction form
    75,171.78/103,737.07 = 41,181.48/x
  3. Step 3: Cross multiply
    75,171.78x = 103,737.07 × 41,181.48
  4. Step 4: Simplify right side
    75,171.78x = 4,272,046,073.46
  5. Step 5: Solve for x
    x = 4,272,046,073.46/75,171.78
  6. Step 6: Final answer
    x = 56,830.45

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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.