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Finding the Fourth Proportional to 69,500.60, 95,910.90 and 37,669.40

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Solution

The fourth proportional to 69,500.60, 95,910.90 and 37,669.40 is: 51,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,500.60 : 95,910.90 = 37,669.40 : x
  2. Step 2: Convert to fraction form
    69,500.60/95,910.90 = 37,669.40/x
  3. Step 3: Cross multiply
    69,500.60x = 95,910.90 × 37,669.40
  4. Step 4: Simplify right side
    69,500.60x = 3,612,906,056.46
  5. Step 5: Solve for x
    x = 3,612,906,056.46/69,500.60
  6. Step 6: Final answer
    x = 51,983.81

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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.