Home / 72,558.02-108,771.33-25,799.96

Finding the Fourth Proportional to 72,558.02, 108,771.33 and 25,799.96

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Solution

The fourth proportional to 72,558.02, 108,771.33 and 25,799.96 is: 38,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558.02 : 108,771.33 = 25,799.96 : x
  2. Step 2: Convert to fraction form
    72,558.02/108,771.33 = 25,799.96/x
  3. Step 3: Cross multiply
    72,558.02x = 108,771.33 × 25,799.96
  4. Step 4: Simplify right side
    72,558.02x = 2,806,295,963.15
  5. Step 5: Solve for x
    x = 2,806,295,963.15/72,558.02
  6. Step 6: Final answer
    x = 38,676.58

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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.