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Finding the Fourth Proportional to 73,645.76, 110,393.00 and 41,991.06

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Solution

The fourth proportional to 73,645.76, 110,393.00 and 41,991.06 is: 62,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,645.76 : 110,393.00 = 41,991.06 : x
  2. Step 2: Convert to fraction form
    73,645.76/110,393.00 = 41,991.06/x
  3. Step 3: Cross multiply
    73,645.76x = 110,393.00 × 41,991.06
  4. Step 4: Simplify right side
    73,645.76x = 4,635,518,876.62
  5. Step 5: Solve for x
    x = 4,635,518,876.62/73,645.76
  6. Step 6: Final answer
    x = 62,943.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.