Home / 109,380.75-150,945.54-59,079.75

Finding the Fourth Proportional to 109,380.75, 150,945.54 and 59,079.75

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Solution

The fourth proportional to 109,380.75, 150,945.54 and 59,079.75 is: 81,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,380.75 : 150,945.54 = 59,079.75 : x
  2. Step 2: Convert to fraction form
    109,380.75/150,945.54 = 59,079.75/x
  3. Step 3: Cross multiply
    109,380.75x = 150,945.54 × 59,079.75
  4. Step 4: Simplify right side
    109,380.75x = 8,917,824,766.82
  5. Step 5: Solve for x
    x = 8,917,824,766.82/109,380.75
  6. Step 6: Final answer
    x = 81,530.11

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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.