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Finding the Fourth Proportional to 64,652.52, 89,169.88 and 44,246.68

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Solution

The fourth proportional to 64,652.52, 89,169.88 and 44,246.68 is: 61,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,652.52 : 89,169.88 = 44,246.68 : x
  2. Step 2: Convert to fraction form
    64,652.52/89,169.88 = 44,246.68/x
  3. Step 3: Cross multiply
    64,652.52x = 89,169.88 × 44,246.68
  4. Step 4: Simplify right side
    64,652.52x = 3,945,471,146.00
  5. Step 5: Solve for x
    x = 3,945,471,146.00/64,652.52
  6. Step 6: Final answer
    x = 61,025.79

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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.