Home / 66,697.04-100,008.60-27,281.82

Finding the Fourth Proportional to 66,697.04, 100,008.60 and 27,281.82

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Solution

The fourth proportional to 66,697.04, 100,008.60 and 27,281.82 is: 40,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,697.04 : 100,008.60 = 27,281.82 : x
  2. Step 2: Convert to fraction form
    66,697.04/100,008.60 = 27,281.82/x
  3. Step 3: Cross multiply
    66,697.04x = 100,008.60 × 27,281.82
  4. Step 4: Simplify right side
    66,697.04x = 2,728,416,623.65
  5. Step 5: Solve for x
    x = 2,728,416,623.65/66,697.04
  6. Step 6: Final answer
    x = 40,907.61

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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.