Home / 72,471.24-108,652.04-47,517.57

Finding the Fourth Proportional to 72,471.24, 108,652.04 and 47,517.57

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Solution

The fourth proportional to 72,471.24, 108,652.04 and 47,517.57 is: 71,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,471.24 : 108,652.04 = 47,517.57 : x
  2. Step 2: Convert to fraction form
    72,471.24/108,652.04 = 47,517.57/x
  3. Step 3: Cross multiply
    72,471.24x = 108,652.04 × 47,517.57
  4. Step 4: Simplify right side
    72,471.24x = 5,162,880,916.34
  5. Step 5: Solve for x
    x = 5,162,880,916.34/72,471.24
  6. Step 6: Final answer
    x = 71,240.41

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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.