Home / 75,499.75-113,166.54-31,102.29

Finding the Fourth Proportional to 75,499.75, 113,166.54 and 31,102.29

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Solution

The fourth proportional to 75,499.75, 113,166.54 and 31,102.29 is: 46,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.75 : 113,166.54 = 31,102.29 : x
  2. Step 2: Convert to fraction form
    75,499.75/113,166.54 = 31,102.29/x
  3. Step 3: Cross multiply
    75,499.75x = 113,166.54 × 31,102.29
  4. Step 4: Simplify right side
    75,499.75x = 3,519,737,979.54
  5. Step 5: Solve for x
    x = 3,519,737,979.54/75,499.75
  6. Step 6: Final answer
    x = 46,619.20

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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.