Home / 48,268.70-72,403.05-40,103.90

Finding the Fourth Proportional to 48,268.70, 72,403.05 and 40,103.90

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Solution

The fourth proportional to 48,268.70, 72,403.05 and 40,103.90 is: 60,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.70 : 72,403.05 = 40,103.90 : x
  2. Step 2: Convert to fraction form
    48,268.70/72,403.05 = 40,103.90/x
  3. Step 3: Cross multiply
    48,268.70x = 72,403.05 × 40,103.90
  4. Step 4: Simplify right side
    48,268.70x = 2,903,644,676.90
  5. Step 5: Solve for x
    x = 2,903,644,676.90/48,268.70
  6. Step 6: Final answer
    x = 60,155.85

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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.