Home / 47,115.17-70,615.23-22,121.84

Finding the Fourth Proportional to 47,115.17, 70,615.23 and 22,121.84

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Solution

The fourth proportional to 47,115.17, 70,615.23 and 22,121.84 is: 33,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.17 : 70,615.23 = 22,121.84 : x
  2. Step 2: Convert to fraction form
    47,115.17/70,615.23 = 22,121.84/x
  3. Step 3: Cross multiply
    47,115.17x = 70,615.23 × 22,121.84
  4. Step 4: Simplify right side
    47,115.17x = 1,562,138,913.20
  5. Step 5: Solve for x
    x = 1,562,138,913.20/47,115.17
  6. Step 6: Final answer
    x = 33,155.75

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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.