Home / 47,076.25-70,614.31-12,015.91

Finding the Fourth Proportional to 47,076.25, 70,614.31 and 12,015.91

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Solution

The fourth proportional to 47,076.25, 70,614.31 and 12,015.91 is: 18,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,076.25 : 70,614.31 = 12,015.91 : x
  2. Step 2: Convert to fraction form
    47,076.25/70,614.31 = 12,015.91/x
  3. Step 3: Cross multiply
    47,076.25x = 70,614.31 × 12,015.91
  4. Step 4: Simplify right side
    47,076.25x = 848,495,193.67
  5. Step 5: Solve for x
    x = 848,495,193.67/47,076.25
  6. Step 6: Final answer
    x = 18,023.85

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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.