Home / 47,329.05-70,993.50-12,268.74

Finding the Fourth Proportional to 47,329.05, 70,993.50 and 12,268.74

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Solution

The fourth proportional to 47,329.05, 70,993.50 and 12,268.74 is: 18,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,329.05 : 70,993.50 = 12,268.74 : x
  2. Step 2: Convert to fraction form
    47,329.05/70,993.50 = 12,268.74/x
  3. Step 3: Cross multiply
    47,329.05x = 70,993.50 × 12,268.74
  4. Step 4: Simplify right side
    47,329.05x = 871,000,793.19
  5. Step 5: Solve for x
    x = 871,000,793.19/47,329.05
  6. Step 6: Final answer
    x = 18,403.09

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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.