Home / 75,713.39-113,565.99-23,118.78

Finding the Fourth Proportional to 75,713.39, 113,565.99 and 23,118.78

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Solution

The fourth proportional to 75,713.39, 113,565.99 and 23,118.78 is: 34,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,713.39 : 113,565.99 = 23,118.78 : x
  2. Step 2: Convert to fraction form
    75,713.39/113,565.99 = 23,118.78/x
  3. Step 3: Cross multiply
    75,713.39x = 113,565.99 × 23,118.78
  4. Step 4: Simplify right side
    75,713.39x = 2,625,507,138.29
  5. Step 5: Solve for x
    x = 2,625,507,138.29/75,713.39
  6. Step 6: Final answer
    x = 34,676.92

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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.