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Finding the Fourth Proportional to 64,540.44, 96,464.64 and 58,200.84

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Solution

The fourth proportional to 64,540.44, 96,464.64 and 58,200.84 is: 86,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,540.44 : 96,464.64 = 58,200.84 : x
  2. Step 2: Convert to fraction form
    64,540.44/96,464.64 = 58,200.84/x
  3. Step 3: Cross multiply
    64,540.44x = 96,464.64 × 58,200.84
  4. Step 4: Simplify right side
    64,540.44x = 5,614,323,078.30
  5. Step 5: Solve for x
    x = 5,614,323,078.30/64,540.44
  6. Step 6: Final answer
    x = 86,989.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.