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Finding the Fourth Proportional to 73,912.98, 110,952.40 and 29,570.66

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Solution

The fourth proportional to 73,912.98, 110,952.40 and 29,570.66 is: 44,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.98 : 110,952.40 = 29,570.66 : x
  2. Step 2: Convert to fraction form
    73,912.98/110,952.40 = 29,570.66/x
  3. Step 3: Cross multiply
    73,912.98x = 110,952.40 × 29,570.66
  4. Step 4: Simplify right side
    73,912.98x = 3,280,935,696.58
  5. Step 5: Solve for x
    x = 3,280,935,696.58/73,912.98
  6. Step 6: Final answer
    x = 44,389.17

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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.