Home / 88,213.82-121,708.25-49,967.29

Finding the Fourth Proportional to 88,213.82, 121,708.25 and 49,967.29

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Solution

The fourth proportional to 88,213.82, 121,708.25 and 49,967.29 is: 68,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.82 : 121,708.25 = 49,967.29 : x
  2. Step 2: Convert to fraction form
    88,213.82/121,708.25 = 49,967.29/x
  3. Step 3: Cross multiply
    88,213.82x = 121,708.25 × 49,967.29
  4. Step 4: Simplify right side
    88,213.82x = 6,081,431,793.88
  5. Step 5: Solve for x
    x = 6,081,431,793.88/88,213.82
  6. Step 6: Final answer
    x = 68,939.67

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1.5x scale

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.