Home / 76,125.12-114,118.56-43,224

Finding the Fourth Proportional to 76,125.12, 114,118.56 and 43,224

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Solution

The fourth proportional to 76,125.12, 114,118.56 and 43,224 is: 64,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,125.12 : 114,118.56 = 43,224 : x
  2. Step 2: Convert to fraction form
    76,125.12/114,118.56 = 43,224/x
  3. Step 3: Cross multiply
    76,125.12x = 114,118.56 × 43,224
  4. Step 4: Simplify right side
    76,125.12x = 4,932,660,637.44
  5. Step 5: Solve for x
    x = 4,932,660,637.44/76,125.12
  6. Step 6: Final answer
    x = 64,796.75

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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.