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Finding the Fourth Proportional to 75,372, 104,013.36 and 41,841.12

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Solution

The fourth proportional to 75,372, 104,013.36 and 41,841.12 is: 57,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,372 : 104,013.36 = 41,841.12 : x
  2. Step 2: Convert to fraction form
    75,372/104,013.36 = 41,841.12/x
  3. Step 3: Cross multiply
    75,372x = 104,013.36 × 41,841.12
  4. Step 4: Simplify right side
    75,372x = 4,352,035,477.36
  5. Step 5: Solve for x
    x = 4,352,035,477.36/75,372
  6. Step 6: Final answer
    x = 57,740.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.