Home / 72,478.24-108,662.53-47,524.57

Finding the Fourth Proportional to 72,478.24, 108,662.53 and 47,524.57

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Solution

The fourth proportional to 72,478.24, 108,662.53 and 47,524.57 is: 71,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,478.24 : 108,662.53 = 47,524.57 : x
  2. Step 2: Convert to fraction form
    72,478.24/108,662.53 = 47,524.57/x
  3. Step 3: Cross multiply
    72,478.24x = 108,662.53 × 47,524.57
  4. Step 4: Simplify right side
    72,478.24x = 5,164,140,013.36
  5. Step 5: Solve for x
    x = 5,164,140,013.36/72,478.24
  6. Step 6: Final answer
    x = 71,250.90

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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.