Home / 90,584.68-135,833.13-37,980.04

Finding the Fourth Proportional to 90,584.68, 135,833.13 and 37,980.04

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Solution

The fourth proportional to 90,584.68, 135,833.13 and 37,980.04 is: 56,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,584.68 : 135,833.13 = 37,980.04 : x
  2. Step 2: Convert to fraction form
    90,584.68/135,833.13 = 37,980.04/x
  3. Step 3: Cross multiply
    90,584.68x = 135,833.13 × 37,980.04
  4. Step 4: Simplify right side
    90,584.68x = 5,158,947,710.73
  5. Step 5: Solve for x
    x = 5,158,947,710.73/90,584.68
  6. Step 6: Final answer
    x = 56,951.66

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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.