Home / 66,044.08-99,221.64-53,809.84

Finding the Fourth Proportional to 66,044.08, 99,221.64 and 53,809.84

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Solution

The fourth proportional to 66,044.08, 99,221.64 and 53,809.84 is: 80,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,044.08 : 99,221.64 = 53,809.84 : x
  2. Step 2: Convert to fraction form
    66,044.08/99,221.64 = 53,809.84/x
  3. Step 3: Cross multiply
    66,044.08x = 99,221.64 × 53,809.84
  4. Step 4: Simplify right side
    66,044.08x = 5,339,100,572.94
  5. Step 5: Solve for x
    x = 5,339,100,572.94/66,044.08
  6. Step 6: Final answer
    x = 80,841.47

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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.