Home / 79,794.11-119,681.45-20,624.83

Finding the Fourth Proportional to 79,794.11, 119,681.45 and 20,624.83

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Solution

The fourth proportional to 79,794.11, 119,681.45 and 20,624.83 is: 30,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.11 : 119,681.45 = 20,624.83 : x
  2. Step 2: Convert to fraction form
    79,794.11/119,681.45 = 20,624.83/x
  3. Step 3: Cross multiply
    79,794.11x = 119,681.45 × 20,624.83
  4. Step 4: Simplify right side
    79,794.11x = 2,468,409,235.42
  5. Step 5: Solve for x
    x = 2,468,409,235.42/79,794.11
  6. Step 6: Final answer
    x = 30,934.73

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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.