Home / 47,249.66-70,875.85-12,189.32

Finding the Fourth Proportional to 47,249.66, 70,875.85 and 12,189.32

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Solution

The fourth proportional to 47,249.66, 70,875.85 and 12,189.32 is: 18,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,249.66 : 70,875.85 = 12,189.32 : x
  2. Step 2: Convert to fraction form
    47,249.66/70,875.85 = 12,189.32/x
  3. Step 3: Cross multiply
    47,249.66x = 70,875.85 × 12,189.32
  4. Step 4: Simplify right side
    47,249.66x = 863,928,061.54
  5. Step 5: Solve for x
    x = 863,928,061.54/47,249.66
  6. Step 6: Final answer
    x = 18,284.33

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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.