Home / 77,660.60-116,468.33-30,265.11

Finding the Fourth Proportional to 77,660.60, 116,468.33 and 30,265.11

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Solution

The fourth proportional to 77,660.60, 116,468.33 and 30,265.11 is: 45,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,660.60 : 116,468.33 = 30,265.11 : x
  2. Step 2: Convert to fraction form
    77,660.60/116,468.33 = 30,265.11/x
  3. Step 3: Cross multiply
    77,660.60x = 116,468.33 × 30,265.11
  4. Step 4: Simplify right side
    77,660.60x = 3,524,926,667.64
  5. Step 5: Solve for x
    x = 3,524,926,667.64/77,660.60
  6. Step 6: Final answer
    x = 45,388.87

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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.