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Finding the Fourth Proportional to 66,933.34, 100,400.11 and 50,083.92

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Solution

The fourth proportional to 66,933.34, 100,400.11 and 50,083.92 is: 75,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,933.34 : 100,400.11 = 50,083.92 : x
  2. Step 2: Convert to fraction form
    66,933.34/100,400.11 = 50,083.92/x
  3. Step 3: Cross multiply
    66,933.34x = 100,400.11 × 50,083.92
  4. Step 4: Simplify right side
    66,933.34x = 5,028,430,952.02
  5. Step 5: Solve for x
    x = 5,028,430,952.02/66,933.34
  6. Step 6: Final answer
    x = 75,125.96

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1.5x scale

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.