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Finding the Fourth Proportional to 64,171.44, 88,554.06 and 35,489.21

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Solution

The fourth proportional to 64,171.44, 88,554.06 and 35,489.21 is: 48,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,171.44 : 88,554.06 = 35,489.21 : x
  2. Step 2: Convert to fraction form
    64,171.44/88,554.06 = 35,489.21/x
  3. Step 3: Cross multiply
    64,171.44x = 88,554.06 × 35,489.21
  4. Step 4: Simplify right side
    64,171.44x = 3,142,713,188.92
  5. Step 5: Solve for x
    x = 3,142,713,188.92/64,171.44
  6. Step 6: Final answer
    x = 48,973.71

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1.5x scale

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.