Home / 69,126.76-103,524.04-39,454.64

Finding the Fourth Proportional to 69,126.76, 103,524.04 and 39,454.64

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Solution

The fourth proportional to 69,126.76, 103,524.04 and 39,454.64 is: 59,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126.76 : 103,524.04 = 39,454.64 : x
  2. Step 2: Convert to fraction form
    69,126.76/103,524.04 = 39,454.64/x
  3. Step 3: Cross multiply
    69,126.76x = 103,524.04 × 39,454.64
  4. Step 4: Simplify right side
    69,126.76x = 4,084,503,729.55
  5. Step 5: Solve for x
    x = 4,084,503,729.55/69,126.76
  6. Step 6: Final answer
    x = 59,087.16

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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.