Home / 47,282.22-70,917.84-12,219.12

Finding the Fourth Proportional to 47,282.22, 70,917.84 and 12,219.12

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Solution

The fourth proportional to 47,282.22, 70,917.84 and 12,219.12 is: 18,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,282.22 : 70,917.84 = 12,219.12 : x
  2. Step 2: Convert to fraction form
    47,282.22/70,917.84 = 12,219.12/x
  3. Step 3: Cross multiply
    47,282.22x = 70,917.84 × 12,219.12
  4. Step 4: Simplify right side
    47,282.22x = 866,553,597.10
  5. Step 5: Solve for x
    x = 866,553,597.10/47,282.22
  6. Step 6: Final answer
    x = 18,327.26

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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.