Home / 109,906.80-151,671.56-59,605.84

Finding the Fourth Proportional to 109,906.80, 151,671.56 and 59,605.84

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Solution

The fourth proportional to 109,906.80, 151,671.56 and 59,605.84 is: 82,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,906.80 : 151,671.56 = 59,605.84 : x
  2. Step 2: Convert to fraction form
    109,906.80/151,671.56 = 59,605.84/x
  3. Step 3: Cross multiply
    109,906.80x = 151,671.56 × 59,605.84
  4. Step 4: Simplify right side
    109,906.80x = 9,040,510,737.91
  5. Step 5: Solve for x
    x = 9,040,510,737.91/109,906.80
  6. Step 6: Final answer
    x = 82,256.15

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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.