Home / 90,582.30-135,820.26-27,383.40

Finding the Fourth Proportional to 90,582.30, 135,820.26 and 27,383.40

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Solution

The fourth proportional to 90,582.30, 135,820.26 and 27,383.40 is: 41,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,582.30 : 135,820.26 = 27,383.40 : x
  2. Step 2: Convert to fraction form
    90,582.30/135,820.26 = 27,383.40/x
  3. Step 3: Cross multiply
    90,582.30x = 135,820.26 × 27,383.40
  4. Step 4: Simplify right side
    90,582.30x = 3,719,220,507.68
  5. Step 5: Solve for x
    x = 3,719,220,507.68/90,582.30
  6. Step 6: Final answer
    x = 41,059.02

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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.