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Finding the Fourth Proportional to 75,859.40, 104,669.22 and 44,009.84

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Solution

The fourth proportional to 75,859.40, 104,669.22 and 44,009.84 is: 60,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,859.40 : 104,669.22 = 44,009.84 : x
  2. Step 2: Convert to fraction form
    75,859.40/104,669.22 = 44,009.84/x
  3. Step 3: Cross multiply
    75,859.40x = 104,669.22 × 44,009.84
  4. Step 4: Simplify right side
    75,859.40x = 4,606,475,625.12
  5. Step 5: Solve for x
    x = 4,606,475,625.12/75,859.40
  6. Step 6: Final answer
    x = 60,723.86

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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.