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Finding the Fourth Proportional to 73,122.86, 100,911.40 and 44,844.14

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Solution

The fourth proportional to 73,122.86, 100,911.40 and 44,844.14 is: 61,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.86 : 100,911.40 = 44,844.14 : x
  2. Step 2: Convert to fraction form
    73,122.86/100,911.40 = 44,844.14/x
  3. Step 3: Cross multiply
    73,122.86x = 100,911.40 × 44,844.14
  4. Step 4: Simplify right side
    73,122.86x = 4,525,284,949.20
  5. Step 5: Solve for x
    x = 4,525,284,949.20/73,122.86
  6. Step 6: Final answer
    x = 61,886.05

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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.