Home / 109,857.75-151,619.88-69,575.27

Finding the Fourth Proportional to 109,857.75, 151,619.88 and 69,575.27

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Solution

The fourth proportional to 109,857.75, 151,619.88 and 69,575.27 is: 96,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,857.75 : 151,619.88 = 69,575.27 : x
  2. Step 2: Convert to fraction form
    109,857.75/151,619.88 = 69,575.27/x
  3. Step 3: Cross multiply
    109,857.75x = 151,619.88 × 69,575.27
  4. Step 4: Simplify right side
    109,857.75x = 10,548,993,330.27
  5. Step 5: Solve for x
    x = 10,548,993,330.27/109,857.75
  6. Step 6: Final answer
    x = 96,024.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.