Home / 76,435.20-114,663.60-23,839.20

Finding the Fourth Proportional to 76,435.20, 114,663.60 and 23,839.20

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Solution

The fourth proportional to 76,435.20, 114,663.60 and 23,839.20 is: 35,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,435.20 : 114,663.60 = 23,839.20 : x
  2. Step 2: Convert to fraction form
    76,435.20/114,663.60 = 23,839.20/x
  3. Step 3: Cross multiply
    76,435.20x = 114,663.60 × 23,839.20
  4. Step 4: Simplify right side
    76,435.20x = 2,733,488,493.12
  5. Step 5: Solve for x
    x = 2,733,488,493.12/76,435.20
  6. Step 6: Final answer
    x = 35,762.17

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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.