Home / 90,538.68-135,809.31-27,359.33

Finding the Fourth Proportional to 90,538.68, 135,809.31 and 27,359.33

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Solution

The fourth proportional to 90,538.68, 135,809.31 and 27,359.33 is: 41,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.68 : 135,809.31 = 27,359.33 : x
  2. Step 2: Convert to fraction form
    90,538.68/135,809.31 = 27,359.33/x
  3. Step 3: Cross multiply
    90,538.68x = 135,809.31 × 27,359.33
  4. Step 4: Simplify right side
    90,538.68x = 3,715,651,050.32
  5. Step 5: Solve for x
    x = 3,715,651,050.32/90,538.68
  6. Step 6: Final answer
    x = 41,039.38

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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.