Home / 66,720.24-100,076.04-25,166.16

Finding the Fourth Proportional to 66,720.24, 100,076.04 and 25,166.16

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Solution

The fourth proportional to 66,720.24, 100,076.04 and 25,166.16 is: 37,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720.24 : 100,076.04 = 25,166.16 : x
  2. Step 2: Convert to fraction form
    66,720.24/100,076.04 = 25,166.16/x
  3. Step 3: Cross multiply
    66,720.24x = 100,076.04 × 25,166.16
  4. Step 4: Simplify right side
    66,720.24x = 2,518,529,634.81
  5. Step 5: Solve for x
    x = 2,518,529,634.81/66,720.24
  6. Step 6: Final answer
    x = 37,747.61

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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.