Home / 66,934.96-100,451.07-53,944.18

Finding the Fourth Proportional to 66,934.96, 100,451.07 and 53,944.18

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Solution

The fourth proportional to 66,934.96, 100,451.07 and 53,944.18 is: 80,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.96 : 100,451.07 = 53,944.18 : x
  2. Step 2: Convert to fraction form
    66,934.96/100,451.07 = 53,944.18/x
  3. Step 3: Cross multiply
    66,934.96x = 100,451.07 × 53,944.18
  4. Step 4: Simplify right side
    66,934.96x = 5,418,750,601.27
  5. Step 5: Solve for x
    x = 5,418,750,601.27/66,934.96
  6. Step 6: Final answer
    x = 80,955.46

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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.