Home / 89,555.20-134,308.80-27,208.96

Finding the Fourth Proportional to 89,555.20, 134,308.80 and 27,208.96

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Solution

The fourth proportional to 89,555.20, 134,308.80 and 27,208.96 is: 40,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.20 : 134,308.80 = 27,208.96 : x
  2. Step 2: Convert to fraction form
    89,555.20/134,308.80 = 27,208.96/x
  3. Step 3: Cross multiply
    89,555.20x = 134,308.80 × 27,208.96
  4. Step 4: Simplify right side
    89,555.20x = 3,654,402,766.85
  5. Step 5: Solve for x
    x = 3,654,402,766.85/89,555.20
  6. Step 6: Final answer
    x = 40,806.15

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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.