Home / 87,895.84-121,317.96-50,191.96

Finding the Fourth Proportional to 87,895.84, 121,317.96 and 50,191.96

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Solution

The fourth proportional to 87,895.84, 121,317.96 and 50,191.96 is: 69,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,895.84 : 121,317.96 = 50,191.96 : x
  2. Step 2: Convert to fraction form
    87,895.84/121,317.96 = 50,191.96/x
  3. Step 3: Cross multiply
    87,895.84x = 121,317.96 × 50,191.96
  4. Step 4: Simplify right side
    87,895.84x = 6,089,186,195.60
  5. Step 5: Solve for x
    x = 6,089,186,195.60/87,895.84
  6. Step 6: Final answer
    x = 69,277.30

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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.