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Finding the Fourth Proportional to 73,838, 110,576.04 and 66,737.84

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Solution

The fourth proportional to 73,838, 110,576.04 and 66,737.84 is: 99,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,838 : 110,576.04 = 66,737.84 : x
  2. Step 2: Convert to fraction form
    73,838/110,576.04 = 66,737.84/x
  3. Step 3: Cross multiply
    73,838x = 110,576.04 × 66,737.84
  4. Step 4: Simplify right side
    73,838x = 7,379,606,065.35
  5. Step 5: Solve for x
    x = 7,379,606,065.35/73,838
  6. Step 6: Final answer
    x = 99,943.20

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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.