Home / 72,453.24-108,679.32-47,649.96

Finding the Fourth Proportional to 72,453.24, 108,679.32 and 47,649.96

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Solution

The fourth proportional to 72,453.24, 108,679.32 and 47,649.96 is: 71,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,453.24 : 108,679.32 = 47,649.96 : x
  2. Step 2: Convert to fraction form
    72,453.24/108,679.32 = 47,649.96/x
  3. Step 3: Cross multiply
    72,453.24x = 108,679.32 × 47,649.96
  4. Step 4: Simplify right side
    72,453.24x = 5,178,565,250.83
  5. Step 5: Solve for x
    x = 5,178,565,250.83/72,453.24
  6. Step 6: Final answer
    x = 71,474.58

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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.