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Finding the Fourth Proportional to 64,098.69, 88,451.64 and 35,418.03

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Solution

The fourth proportional to 64,098.69, 88,451.64 and 35,418.03 is: 48,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,098.69 : 88,451.64 = 35,418.03 : x
  2. Step 2: Convert to fraction form
    64,098.69/88,451.64 = 35,418.03/x
  3. Step 3: Cross multiply
    64,098.69x = 88,451.64 × 35,418.03
  4. Step 4: Simplify right side
    64,098.69x = 3,132,782,839.07
  5. Step 5: Solve for x
    x = 3,132,782,839.07/64,098.69
  6. Step 6: Final answer
    x = 48,874.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.