Home / 67,119.93-100,682.96-47,486.25

Finding the Fourth Proportional to 67,119.93, 100,682.96 and 47,486.25

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Solution

The fourth proportional to 67,119.93, 100,682.96 and 47,486.25 is: 71,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.93 : 100,682.96 = 47,486.25 : x
  2. Step 2: Convert to fraction form
    67,119.93/100,682.96 = 47,486.25/x
  3. Step 3: Cross multiply
    67,119.93x = 100,682.96 × 47,486.25
  4. Step 4: Simplify right side
    67,119.93x = 4,781,055,971.87
  5. Step 5: Solve for x
    x = 4,781,055,971.87/67,119.93
  6. Step 6: Final answer
    x = 71,231.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.