Home / 66,788.06-100,188.78-24,679.18

Finding the Fourth Proportional to 66,788.06, 100,188.78 and 24,679.18

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Solution

The fourth proportional to 66,788.06, 100,188.78 and 24,679.18 is: 37,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,788.06 : 100,188.78 = 24,679.18 : x
  2. Step 2: Convert to fraction form
    66,788.06/100,188.78 = 24,679.18/x
  3. Step 3: Cross multiply
    66,788.06x = 100,188.78 × 24,679.18
  4. Step 4: Simplify right side
    66,788.06x = 2,472,576,935.60
  5. Step 5: Solve for x
    x = 2,472,576,935.60/66,788.06
  6. Step 6: Final answer
    x = 37,021.24

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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.