Home / 90,943.22-136,422.81-27,777.59

Finding the Fourth Proportional to 90,943.22, 136,422.81 and 27,777.59

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Solution

The fourth proportional to 90,943.22, 136,422.81 and 27,777.59 is: 41,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,943.22 : 136,422.81 = 27,777.59 : x
  2. Step 2: Convert to fraction form
    90,943.22/136,422.81 = 27,777.59/x
  3. Step 3: Cross multiply
    90,943.22x = 136,422.81 × 27,777.59
  4. Step 4: Simplify right side
    90,943.22x = 3,789,496,200.71
  5. Step 5: Solve for x
    x = 3,789,496,200.71/90,943.22
  6. Step 6: Final answer
    x = 41,668.82

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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.