Home / 72,737.48-109,220.97-43,286.76

Finding the Fourth Proportional to 72,737.48, 109,220.97 and 43,286.76

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Solution

The fourth proportional to 72,737.48, 109,220.97 and 43,286.76 is: 64,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,737.48 : 109,220.97 = 43,286.76 : x
  2. Step 2: Convert to fraction form
    72,737.48/109,220.97 = 43,286.76/x
  3. Step 3: Cross multiply
    72,737.48x = 109,220.97 × 43,286.76
  4. Step 4: Simplify right side
    72,737.48x = 4,727,821,915.36
  5. Step 5: Solve for x
    x = 4,727,821,915.36/72,737.48
  6. Step 6: Final answer
    x = 64,998.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.