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Finding the Fourth Proportional to 73,307.62, 109,907.61 and 23,358.97

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Solution

The fourth proportional to 73,307.62, 109,907.61 and 23,358.97 is: 35,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,307.62 : 109,907.61 = 23,358.97 : x
  2. Step 2: Convert to fraction form
    73,307.62/109,907.61 = 23,358.97/x
  3. Step 3: Cross multiply
    73,307.62x = 109,907.61 × 23,358.97
  4. Step 4: Simplify right side
    73,307.62x = 2,567,328,564.76
  5. Step 5: Solve for x
    x = 2,567,328,564.76/73,307.62
  6. Step 6: Final answer
    x = 35,021.31

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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.