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Finding the Fourth Proportional to 89,751.76, 134,562.84 and 27,388.24

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Solution

The fourth proportional to 89,751.76, 134,562.84 and 27,388.24 is: 41,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751.76 : 134,562.84 = 27,388.24 : x
  2. Step 2: Convert to fraction form
    89,751.76/134,562.84 = 27,388.24/x
  3. Step 3: Cross multiply
    89,751.76x = 134,562.84 × 27,388.24
  4. Step 4: Simplify right side
    89,751.76x = 3,685,439,357.00
  5. Step 5: Solve for x
    x = 3,685,439,357.00/89,751.76
  6. Step 6: Final answer
    x = 41,062.59

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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.