Home / 66,933.96-100,449.57-53,943.18

Finding the Fourth Proportional to 66,933.96, 100,449.57 and 53,943.18

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Solution

The fourth proportional to 66,933.96, 100,449.57 and 53,943.18 is: 80,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,933.96 : 100,449.57 = 53,943.18 : x
  2. Step 2: Convert to fraction form
    66,933.96/100,449.57 = 53,943.18/x
  3. Step 3: Cross multiply
    66,933.96x = 100,449.57 × 53,943.18
  4. Step 4: Simplify right side
    66,933.96x = 5,418,569,235.43
  5. Step 5: Solve for x
    x = 5,418,569,235.43/66,933.96
  6. Step 6: Final answer
    x = 80,953.96

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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.