Home / 90,432.74-135,540.27-33,461.21

Finding the Fourth Proportional to 90,432.74, 135,540.27 and 33,461.21

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Solution

The fourth proportional to 90,432.74, 135,540.27 and 33,461.21 is: 50,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.74 : 135,540.27 = 33,461.21 : x
  2. Step 2: Convert to fraction form
    90,432.74/135,540.27 = 33,461.21/x
  3. Step 3: Cross multiply
    90,432.74x = 135,540.27 × 33,461.21
  4. Step 4: Simplify right side
    90,432.74x = 4,535,340,760.23
  5. Step 5: Solve for x
    x = 4,535,340,760.23/90,432.74
  6. Step 6: Final answer
    x = 50,151.54

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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.