Home / 90,571.26-135,813.20-37,966.62

Finding the Fourth Proportional to 90,571.26, 135,813.20 and 37,966.62

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Solution

The fourth proportional to 90,571.26, 135,813.20 and 37,966.62 is: 56,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,571.26 : 135,813.20 = 37,966.62 : x
  2. Step 2: Convert to fraction form
    90,571.26/135,813.20 = 37,966.62/x
  3. Step 3: Cross multiply
    90,571.26x = 135,813.20 × 37,966.62
  4. Step 4: Simplify right side
    90,571.26x = 5,156,367,965.55
  5. Step 5: Solve for x
    x = 5,156,367,965.55/90,571.26
  6. Step 6: Final answer
    x = 56,931.61

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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.