Home / 76,310.23-114,400.73-28,899.18

Finding the Fourth Proportional to 76,310.23, 114,400.73 and 28,899.18

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Solution

The fourth proportional to 76,310.23, 114,400.73 and 28,899.18 is: 43,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,310.23 : 114,400.73 = 28,899.18 : x
  2. Step 2: Convert to fraction form
    76,310.23/114,400.73 = 28,899.18/x
  3. Step 3: Cross multiply
    76,310.23x = 114,400.73 × 28,899.18
  4. Step 4: Simplify right side
    76,310.23x = 3,306,087,279.37
  5. Step 5: Solve for x
    x = 3,306,087,279.37/76,310.23
  6. Step 6: Final answer
    x = 43,324.30

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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.