Home / 92,892.20-128,190.51-50,450.73

Finding the Fourth Proportional to 92,892.20, 128,190.51 and 50,450.73

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Solution

The fourth proportional to 92,892.20, 128,190.51 and 50,450.73 is: 69,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892.20 : 128,190.51 = 50,450.73 : x
  2. Step 2: Convert to fraction form
    92,892.20/128,190.51 = 50,450.73/x
  3. Step 3: Cross multiply
    92,892.20x = 128,190.51 × 50,450.73
  4. Step 4: Simplify right side
    92,892.20x = 6,467,304,808.57
  5. Step 5: Solve for x
    x = 6,467,304,808.57/92,892.20
  6. Step 6: Final answer
    x = 69,621.62

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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.