Home / 47,462.12-71,197.28-12,401.76

Finding the Fourth Proportional to 47,462.12, 71,197.28 and 12,401.76

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Solution

The fourth proportional to 47,462.12, 71,197.28 and 12,401.76 is: 18,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,462.12 : 71,197.28 = 12,401.76 : x
  2. Step 2: Convert to fraction form
    47,462.12/71,197.28 = 12,401.76/x
  3. Step 3: Cross multiply
    47,462.12x = 71,197.28 × 12,401.76
  4. Step 4: Simplify right side
    47,462.12x = 882,971,579.21
  5. Step 5: Solve for x
    x = 882,971,579.21/47,462.12
  6. Step 6: Final answer
    x = 18,603.71

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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.