Home / 109,675.54-151,355.01-67,257.46

Finding the Fourth Proportional to 109,675.54, 151,355.01 and 67,257.46

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Solution

The fourth proportional to 109,675.54, 151,355.01 and 67,257.46 is: 92,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.54 : 151,355.01 = 67,257.46 : x
  2. Step 2: Convert to fraction form
    109,675.54/151,355.01 = 67,257.46/x
  3. Step 3: Cross multiply
    109,675.54x = 151,355.01 × 67,257.46
  4. Step 4: Simplify right side
    109,675.54x = 10,179,753,530.87
  5. Step 5: Solve for x
    x = 10,179,753,530.87/109,675.54
  6. Step 6: Final answer
    x = 92,816.99

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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.