Home / 90,086.32-135,108.81-33,932.26

Finding the Fourth Proportional to 90,086.32, 135,108.81 and 33,932.26

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Solution

The fourth proportional to 90,086.32, 135,108.81 and 33,932.26 is: 50,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,086.32 : 135,108.81 = 33,932.26 : x
  2. Step 2: Convert to fraction form
    90,086.32/135,108.81 = 33,932.26/x
  3. Step 3: Cross multiply
    90,086.32x = 135,108.81 × 33,932.26
  4. Step 4: Simplify right side
    90,086.32x = 4,584,547,269.21
  5. Step 5: Solve for x
    x = 4,584,547,269.21/90,086.32
  6. Step 6: Final answer
    x = 50,890.60

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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.