Home / 47,156.16-70,734.24-12,095.82

Finding the Fourth Proportional to 47,156.16, 70,734.24 and 12,095.82

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Solution

The fourth proportional to 47,156.16, 70,734.24 and 12,095.82 is: 18,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.16 : 70,734.24 = 12,095.82 : x
  2. Step 2: Convert to fraction form
    47,156.16/70,734.24 = 12,095.82/x
  3. Step 3: Cross multiply
    47,156.16x = 70,734.24 × 12,095.82
  4. Step 4: Simplify right side
    47,156.16x = 855,588,634.88
  5. Step 5: Solve for x
    x = 855,588,634.88/47,156.16
  6. Step 6: Final answer
    x = 18,143.73

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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.