Home / 90,672.48-135,955.26-27,473.40

Finding the Fourth Proportional to 90,672.48, 135,955.26 and 27,473.40

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Solution

The fourth proportional to 90,672.48, 135,955.26 and 27,473.40 is: 41,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,672.48 : 135,955.26 = 27,473.40 : x
  2. Step 2: Convert to fraction form
    90,672.48/135,955.26 = 27,473.40/x
  3. Step 3: Cross multiply
    90,672.48x = 135,955.26 × 27,473.40
  4. Step 4: Simplify right side
    90,672.48x = 3,735,153,240.08
  5. Step 5: Solve for x
    x = 3,735,153,240.08/90,672.48
  6. Step 6: Final answer
    x = 41,193.90

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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.