Home / 109,095.52-150,563.22-66,682.36

Finding the Fourth Proportional to 109,095.52, 150,563.22 and 66,682.36

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Solution

The fourth proportional to 109,095.52, 150,563.22 and 66,682.36 is: 92,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,095.52 : 150,563.22 = 66,682.36 : x
  2. Step 2: Convert to fraction form
    109,095.52/150,563.22 = 66,682.36/x
  3. Step 3: Cross multiply
    109,095.52x = 150,563.22 × 66,682.36
  4. Step 4: Simplify right side
    109,095.52x = 10,039,910,838.80
  5. Step 5: Solve for x
    x = 10,039,910,838.80/109,095.52
  6. Step 6: Final answer
    x = 92,028.63

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1.5x scale

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.