Home / 66,880.34-100,353.38-26,897.73

Finding the Fourth Proportional to 66,880.34, 100,353.38 and 26,897.73

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Solution

The fourth proportional to 66,880.34, 100,353.38 and 26,897.73 is: 40,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880.34 : 100,353.38 = 26,897.73 : x
  2. Step 2: Convert to fraction form
    66,880.34/100,353.38 = 26,897.73/x
  3. Step 3: Cross multiply
    66,880.34x = 100,353.38 × 26,897.73
  4. Step 4: Simplify right side
    66,880.34x = 2,699,278,119.83
  5. Step 5: Solve for x
    x = 2,699,278,119.83/66,880.34
  6. Step 6: Final answer
    x = 40,359.81

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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.