Home / 87,858.15-121,241.65-49,619.27

Finding the Fourth Proportional to 87,858.15, 121,241.65 and 49,619.27

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Solution

The fourth proportional to 87,858.15, 121,241.65 and 49,619.27 is: 68,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,858.15 : 121,241.65 = 49,619.27 : x
  2. Step 2: Convert to fraction form
    87,858.15/121,241.65 = 49,619.27/x
  3. Step 3: Cross multiply
    87,858.15x = 121,241.65 × 49,619.27
  4. Step 4: Simplify right side
    87,858.15x = 6,015,922,166.60
  5. Step 5: Solve for x
    x = 6,015,922,166.60/87,858.15
  6. Step 6: Final answer
    x = 68,473.13

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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.