Home / 47,603.16-71,408.28-14,320.56

Finding the Fourth Proportional to 47,603.16, 71,408.28 and 14,320.56

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Solution

The fourth proportional to 47,603.16, 71,408.28 and 14,320.56 is: 21,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,603.16 : 71,408.28 = 14,320.56 : x
  2. Step 2: Convert to fraction form
    47,603.16/71,408.28 = 14,320.56/x
  3. Step 3: Cross multiply
    47,603.16x = 71,408.28 × 14,320.56
  4. Step 4: Simplify right side
    47,603.16x = 1,022,606,558.24
  5. Step 5: Solve for x
    x = 1,022,606,558.24/47,603.16
  6. Step 6: Final answer
    x = 21,481.90

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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.