Home / 90,402.18-135,628.66-33,475.24

Finding the Fourth Proportional to 90,402.18, 135,628.66 and 33,475.24

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Solution

The fourth proportional to 90,402.18, 135,628.66 and 33,475.24 is: 50,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,402.18 : 135,628.66 = 33,475.24 : x
  2. Step 2: Convert to fraction form
    90,402.18/135,628.66 = 33,475.24/x
  3. Step 3: Cross multiply
    90,402.18x = 135,628.66 × 33,475.24
  4. Step 4: Simplify right side
    90,402.18x = 4,540,201,944.38
  5. Step 5: Solve for x
    x = 4,540,201,944.38/90,402.18
  6. Step 6: Final answer
    x = 50,222.26

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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.