Home / 90,584.30-135,823.26-27,385.40

Finding the Fourth Proportional to 90,584.30, 135,823.26 and 27,385.40

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Solution

The fourth proportional to 90,584.30, 135,823.26 and 27,385.40 is: 41,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,584.30 : 135,823.26 = 27,385.40 : x
  2. Step 2: Convert to fraction form
    90,584.30/135,823.26 = 27,385.40/x
  3. Step 3: Cross multiply
    90,584.30x = 135,823.26 × 27,385.40
  4. Step 4: Simplify right side
    90,584.30x = 3,719,574,304.40
  5. Step 5: Solve for x
    x = 3,719,574,304.40/90,584.30
  6. Step 6: Final answer
    x = 41,062.02

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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.