Home / 76,259.22-114,403.20-28,888.50

Finding the Fourth Proportional to 76,259.22, 114,403.20 and 28,888.50

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Solution

The fourth proportional to 76,259.22, 114,403.20 and 28,888.50 is: 43,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,259.22 : 114,403.20 = 28,888.50 : x
  2. Step 2: Convert to fraction form
    76,259.22/114,403.20 = 28,888.50/x
  3. Step 3: Cross multiply
    76,259.22x = 114,403.20 × 28,888.50
  4. Step 4: Simplify right side
    76,259.22x = 3,304,936,843.20
  5. Step 5: Solve for x
    x = 3,304,936,843.20/76,259.22
  6. Step 6: Final answer
    x = 43,338.19

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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.