Home / 67,106.88-100,647.36-25,544.16

Finding the Fourth Proportional to 67,106.88, 100,647.36 and 25,544.16

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Solution

The fourth proportional to 67,106.88, 100,647.36 and 25,544.16 is: 38,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,106.88 : 100,647.36 = 25,544.16 : x
  2. Step 2: Convert to fraction form
    67,106.88/100,647.36 = 25,544.16/x
  3. Step 3: Cross multiply
    67,106.88x = 100,647.36 × 25,544.16
  4. Step 4: Simplify right side
    67,106.88x = 2,570,952,267.42
  5. Step 5: Solve for x
    x = 2,570,952,267.42/67,106.88
  6. Step 6: Final answer
    x = 38,311.31

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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.