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Finding the Fourth Proportional to 73,321.88, 109,810.53 and 35,764.29

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Solution

The fourth proportional to 73,321.88, 109,810.53 and 35,764.29 is: 53,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,321.88 : 109,810.53 = 35,764.29 : x
  2. Step 2: Convert to fraction form
    73,321.88/109,810.53 = 35,764.29/x
  3. Step 3: Cross multiply
    73,321.88x = 109,810.53 × 35,764.29
  4. Step 4: Simplify right side
    73,321.88x = 3,927,295,639.97
  5. Step 5: Solve for x
    x = 3,927,295,639.97/73,321.88
  6. Step 6: Final answer
    x = 53,562.40

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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.