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Finding the Fourth Proportional to 64,269.93, 96,238.80 and 44,340.87

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Solution

The fourth proportional to 64,269.93, 96,238.80 and 44,340.87 is: 66,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,269.93 : 96,238.80 = 44,340.87 : x
  2. Step 2: Convert to fraction form
    64,269.93/96,238.80 = 44,340.87/x
  3. Step 3: Cross multiply
    64,269.93x = 96,238.80 × 44,340.87
  4. Step 4: Simplify right side
    64,269.93x = 4,267,312,119.76
  5. Step 5: Solve for x
    x = 4,267,312,119.76/64,269.93
  6. Step 6: Final answer
    x = 66,396.71

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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.