Home / 90,593.05-135,805.73-34,416.31

Finding the Fourth Proportional to 90,593.05, 135,805.73 and 34,416.31

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Solution

The fourth proportional to 90,593.05, 135,805.73 and 34,416.31 is: 51,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,593.05 : 135,805.73 = 34,416.31 : x
  2. Step 2: Convert to fraction form
    90,593.05/135,805.73 = 34,416.31/x
  3. Step 3: Cross multiply
    90,593.05x = 135,805.73 × 34,416.31
  4. Step 4: Simplify right side
    90,593.05x = 4,673,932,103.46
  5. Step 5: Solve for x
    x = 4,673,932,103.46/90,593.05
  6. Step 6: Final answer
    x = 51,592.61

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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.