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Finding the Fourth Proportional to 75,909.15, 104,752.04 and 41,917.10

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Solution

The fourth proportional to 75,909.15, 104,752.04 and 41,917.10 is: 57,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,909.15 : 104,752.04 = 41,917.10 : x
  2. Step 2: Convert to fraction form
    75,909.15/104,752.04 = 41,917.10/x
  3. Step 3: Cross multiply
    75,909.15x = 104,752.04 × 41,917.10
  4. Step 4: Simplify right side
    75,909.15x = 4,390,901,002.54
  5. Step 5: Solve for x
    x = 4,390,901,002.54/75,909.15
  6. Step 6: Final answer
    x = 57,844.16

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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.