Home / 47,003.49-70,497.68-13,715.76

Finding the Fourth Proportional to 47,003.49, 70,497.68 and 13,715.76

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Solution

The fourth proportional to 47,003.49, 70,497.68 and 13,715.76 is: 20,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,003.49 : 70,497.68 = 13,715.76 : x
  2. Step 2: Convert to fraction form
    47,003.49/70,497.68 = 13,715.76/x
  3. Step 3: Cross multiply
    47,003.49x = 70,497.68 × 13,715.76
  4. Step 4: Simplify right side
    47,003.49x = 966,928,977.93
  5. Step 5: Solve for x
    x = 966,928,977.93/47,003.49
  6. Step 6: Final answer
    x = 20,571.43

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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.