Home / 47,715.60-71,646.30-36,634.80

Finding the Fourth Proportional to 47,715.60, 71,646.30 and 36,634.80

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Solution

The fourth proportional to 47,715.60, 71,646.30 and 36,634.80 is: 55,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.60 : 71,646.30 = 36,634.80 : x
  2. Step 2: Convert to fraction form
    47,715.60/71,646.30 = 36,634.80/x
  3. Step 3: Cross multiply
    47,715.60x = 71,646.30 × 36,634.80
  4. Step 4: Simplify right side
    47,715.60x = 2,624,747,871.24
  5. Step 5: Solve for x
    x = 2,624,747,871.24/47,715.60
  6. Step 6: Final answer
    x = 55,008.17

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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.