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Finding the Fourth Proportional to 73,066.57, 100,821.06 and 44,371.31

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Solution

The fourth proportional to 73,066.57, 100,821.06 and 44,371.31 is: 61,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,066.57 : 100,821.06 = 44,371.31 : x
  2. Step 2: Convert to fraction form
    73,066.57/100,821.06 = 44,371.31/x
  3. Step 3: Cross multiply
    73,066.57x = 100,821.06 × 44,371.31
  4. Step 4: Simplify right side
    73,066.57x = 4,473,562,396.86
  5. Step 5: Solve for x
    x = 4,473,562,396.86/73,066.57
  6. Step 6: Final answer
    x = 61,225.84

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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.