Home / 75,697.39-113,545.45-19,532.69

Finding the Fourth Proportional to 75,697.39, 113,545.45 and 19,532.69

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Solution

The fourth proportional to 75,697.39, 113,545.45 and 19,532.69 is: 29,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,697.39 : 113,545.45 = 19,532.69 : x
  2. Step 2: Convert to fraction form
    75,697.39/113,545.45 = 19,532.69/x
  3. Step 3: Cross multiply
    75,697.39x = 113,545.45 × 19,532.69
  4. Step 4: Simplify right side
    75,697.39x = 2,217,848,487.07
  5. Step 5: Solve for x
    x = 2,217,848,487.07/75,697.39
  6. Step 6: Final answer
    x = 29,298.88

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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.