Home / 66,002.62-98,900.16-51,046.36

Finding the Fourth Proportional to 66,002.62, 98,900.16 and 51,046.36

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Solution

The fourth proportional to 66,002.62, 98,900.16 and 51,046.36 is: 76,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,002.62 : 98,900.16 = 51,046.36 : x
  2. Step 2: Convert to fraction form
    66,002.62/98,900.16 = 51,046.36/x
  3. Step 3: Cross multiply
    66,002.62x = 98,900.16 × 51,046.36
  4. Step 4: Simplify right side
    66,002.62x = 5,048,493,171.42
  5. Step 5: Solve for x
    x = 5,048,493,171.42/66,002.62
  6. Step 6: Final answer
    x = 76,489.28

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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.