Home / 71,544.78-107,333.37-38,247.30

Finding the Fourth Proportional to 71,544.78, 107,333.37 and 38,247.30

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Solution

The fourth proportional to 71,544.78, 107,333.37 and 38,247.30 is: 57,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.78 : 107,333.37 = 38,247.30 : x
  2. Step 2: Convert to fraction form
    71,544.78/107,333.37 = 38,247.30/x
  3. Step 3: Cross multiply
    71,544.78x = 107,333.37 × 38,247.30
  4. Step 4: Simplify right side
    71,544.78x = 4,105,211,602.40
  5. Step 5: Solve for x
    x = 4,105,211,602.40/71,544.78
  6. Step 6: Final answer
    x = 57,379.61

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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.