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Finding the Fourth Proportional to 64,847.70, 89,525.07 and 44,812.44

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Solution

The fourth proportional to 64,847.70, 89,525.07 and 44,812.44 is: 61,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,847.70 : 89,525.07 = 44,812.44 : x
  2. Step 2: Convert to fraction form
    64,847.70/89,525.07 = 44,812.44/x
  3. Step 3: Cross multiply
    64,847.70x = 89,525.07 × 44,812.44
  4. Step 4: Simplify right side
    64,847.70x = 4,011,836,827.87
  5. Step 5: Solve for x
    x = 4,011,836,827.87/64,847.70
  6. Step 6: Final answer
    x = 61,865.52

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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.