Home / 90,401.45-135,611.17-33,490.58

Finding the Fourth Proportional to 90,401.45, 135,611.17 and 33,490.58

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Solution

The fourth proportional to 90,401.45, 135,611.17 and 33,490.58 is: 50,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,401.45 : 135,611.17 = 33,490.58 : x
  2. Step 2: Convert to fraction form
    90,401.45/135,611.17 = 33,490.58/x
  3. Step 3: Cross multiply
    90,401.45x = 135,611.17 × 33,490.58
  4. Step 4: Simplify right side
    90,401.45x = 4,541,695,976.00
  5. Step 5: Solve for x
    x = 4,541,695,976.00/90,401.45
  6. Step 6: Final answer
    x = 50,239.20

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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.