Home / 47,134.72-70,702.64-12,073.44

Finding the Fourth Proportional to 47,134.72, 70,702.64 and 12,073.44

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Solution

The fourth proportional to 47,134.72, 70,702.64 and 12,073.44 is: 18,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,134.72 : 70,702.64 = 12,073.44 : x
  2. Step 2: Convert to fraction form
    47,134.72/70,702.64 = 12,073.44/x
  3. Step 3: Cross multiply
    47,134.72x = 70,702.64 × 12,073.44
  4. Step 4: Simplify right side
    47,134.72x = 853,624,081.88
  5. Step 5: Solve for x
    x = 853,624,081.88/47,134.72
  6. Step 6: Final answer
    x = 18,110.30

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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.