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Finding the Fourth Proportional to 64,039.54, 88,375.96 and 35,359.11

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Solution

The fourth proportional to 64,039.54, 88,375.96 and 35,359.11 is: 48,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.54 : 88,375.96 = 35,359.11 : x
  2. Step 2: Convert to fraction form
    64,039.54/88,375.96 = 35,359.11/x
  3. Step 3: Cross multiply
    64,039.54x = 88,375.96 × 35,359.11
  4. Step 4: Simplify right side
    64,039.54x = 3,124,895,291.00
  5. Step 5: Solve for x
    x = 3,124,895,291.00/64,039.54
  6. Step 6: Final answer
    x = 48,796.34

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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.