Home / 76,727.20-114,971.42-29,316.42

Finding the Fourth Proportional to 76,727.20, 114,971.42 and 29,316.42

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Solution

The fourth proportional to 76,727.20, 114,971.42 and 29,316.42 is: 43,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,727.20 : 114,971.42 = 29,316.42 : x
  2. Step 2: Convert to fraction form
    76,727.20/114,971.42 = 29,316.42/x
  3. Step 3: Cross multiply
    76,727.20x = 114,971.42 × 29,316.42
  4. Step 4: Simplify right side
    76,727.20x = 3,370,550,436.72
  5. Step 5: Solve for x
    x = 3,370,550,436.72/76,727.20
  6. Step 6: Final answer
    x = 43,929.02

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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.