Home / 47,137.82-70,717.15-15,557.64

Finding the Fourth Proportional to 47,137.82, 70,717.15 and 15,557.64

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Solution

The fourth proportional to 47,137.82, 70,717.15 and 15,557.64 is: 23,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.82 : 70,717.15 = 15,557.64 : x
  2. Step 2: Convert to fraction form
    47,137.82/70,717.15 = 15,557.64/x
  3. Step 3: Cross multiply
    47,137.82x = 70,717.15 × 15,557.64
  4. Step 4: Simplify right side
    47,137.82x = 1,100,191,715.78
  5. Step 5: Solve for x
    x = 1,100,191,715.78/47,137.82
  6. Step 6: Final answer
    x = 23,339.90

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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.