Home / 90,353.74-135,524.10-28,022.62

Finding the Fourth Proportional to 90,353.74, 135,524.10 and 28,022.62

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Solution

The fourth proportional to 90,353.74, 135,524.10 and 28,022.62 is: 42,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,353.74 : 135,524.10 = 28,022.62 : x
  2. Step 2: Convert to fraction form
    90,353.74/135,524.10 = 28,022.62/x
  3. Step 3: Cross multiply
    90,353.74x = 135,524.10 × 28,022.62
  4. Step 4: Simplify right side
    90,353.74x = 3,797,740,355.14
  5. Step 5: Solve for x
    x = 3,797,740,355.14/90,353.74
  6. Step 6: Final answer
    x = 42,031.91

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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.