Home / 66,902.06-100,333.92-26,921

Finding the Fourth Proportional to 66,902.06, 100,333.92 and 26,921

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Solution

The fourth proportional to 66,902.06, 100,333.92 and 26,921 is: 40,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902.06 : 100,333.92 = 26,921 : x
  2. Step 2: Convert to fraction form
    66,902.06/100,333.92 = 26,921/x
  3. Step 3: Cross multiply
    66,902.06x = 100,333.92 × 26,921
  4. Step 4: Simplify right side
    66,902.06x = 2,701,089,460.32
  5. Step 5: Solve for x
    x = 2,701,089,460.32/66,902.06
  6. Step 6: Final answer
    x = 40,373.79

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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.