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Finding the Fourth Proportional to 64,388.76, 96,563.36 and 44,525.86

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Solution

The fourth proportional to 64,388.76, 96,563.36 and 44,525.86 is: 66,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,388.76 : 96,563.36 = 44,525.86 : x
  2. Step 2: Convert to fraction form
    64,388.76/96,563.36 = 44,525.86/x
  3. Step 3: Cross multiply
    64,388.76x = 96,563.36 × 44,525.86
  4. Step 4: Simplify right side
    64,388.76x = 4,299,566,425.86
  5. Step 5: Solve for x
    x = 4,299,566,425.86/64,388.76
  6. Step 6: Final answer
    x = 66,775.11

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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.