Home / 76,388.76-114,605.82-41,319

Finding the Fourth Proportional to 76,388.76, 114,605.82 and 41,319

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Solution

The fourth proportional to 76,388.76, 114,605.82 and 41,319 is: 61,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,388.76 : 114,605.82 = 41,319 : x
  2. Step 2: Convert to fraction form
    76,388.76/114,605.82 = 41,319/x
  3. Step 3: Cross multiply
    76,388.76x = 114,605.82 × 41,319
  4. Step 4: Simplify right side
    76,388.76x = 4,735,397,876.58
  5. Step 5: Solve for x
    x = 4,735,397,876.58/76,388.76
  6. Step 6: Final answer
    x = 61,990.77

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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.