Home / 75,654.14-113,551.30-38,240.66

Finding the Fourth Proportional to 75,654.14, 113,551.30 and 38,240.66

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Solution

The fourth proportional to 75,654.14, 113,551.30 and 38,240.66 is: 57,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,654.14 : 113,551.30 = 38,240.66 : x
  2. Step 2: Convert to fraction form
    75,654.14/113,551.30 = 38,240.66/x
  3. Step 3: Cross multiply
    75,654.14x = 113,551.30 × 38,240.66
  4. Step 4: Simplify right side
    75,654.14x = 4,342,276,655.86
  5. Step 5: Solve for x
    x = 4,342,276,655.86/75,654.14
  6. Step 6: Final answer
    x = 57,396.42

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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.