Home / 75,770.39-113,725.68-38,356.73

Finding the Fourth Proportional to 75,770.39, 113,725.68 and 38,356.73

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Solution

The fourth proportional to 75,770.39, 113,725.68 and 38,356.73 is: 57,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.39 : 113,725.68 = 38,356.73 : x
  2. Step 2: Convert to fraction form
    75,770.39/113,725.68 = 38,356.73/x
  3. Step 3: Cross multiply
    75,770.39x = 113,725.68 × 38,356.73
  4. Step 4: Simplify right side
    75,770.39x = 4,362,144,633.20
  5. Step 5: Solve for x
    x = 4,362,144,633.20/75,770.39
  6. Step 6: Final answer
    x = 57,570.58

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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.