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Finding the Fourth Proportional to 88,842.76, 133,198.26 and 53,774.08

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Solution

The fourth proportional to 88,842.76, 133,198.26 and 53,774.08 is: 80,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,842.76 : 133,198.26 = 53,774.08 : x
  2. Step 2: Convert to fraction form
    88,842.76/133,198.26 = 53,774.08/x
  3. Step 3: Cross multiply
    88,842.76x = 133,198.26 × 53,774.08
  4. Step 4: Simplify right side
    88,842.76x = 7,162,613,889.10
  5. Step 5: Solve for x
    x = 7,162,613,889.10/88,842.76
  6. Step 6: Final answer
    x = 80,621.24

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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.