Home / 47,715.10-71,645.55-36,634.30

Finding the Fourth Proportional to 47,715.10, 71,645.55 and 36,634.30

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Solution

The fourth proportional to 47,715.10, 71,645.55 and 36,634.30 is: 55,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.10 : 71,645.55 = 36,634.30 : x
  2. Step 2: Convert to fraction form
    47,715.10/71,645.55 = 36,634.30/x
  3. Step 3: Cross multiply
    47,715.10x = 71,645.55 × 36,634.30
  4. Step 4: Simplify right side
    47,715.10x = 2,624,684,572.37
  5. Step 5: Solve for x
    x = 2,624,684,572.37/47,715.10
  6. Step 6: Final answer
    x = 55,007.42

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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.