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Finding the Fourth Proportional to 65,145.87, 97,727.31 and 18,399.96

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Solution

The fourth proportional to 65,145.87, 97,727.31 and 18,399.96 is: 27,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,145.87 : 97,727.31 = 18,399.96 : x
  2. Step 2: Convert to fraction form
    65,145.87/97,727.31 = 18,399.96/x
  3. Step 3: Cross multiply
    65,145.87x = 97,727.31 × 18,399.96
  4. Step 4: Simplify right side
    65,145.87x = 1,798,178,594.91
  5. Step 5: Solve for x
    x = 1,798,178,594.91/65,145.87
  6. Step 6: Final answer
    x = 27,602.34

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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.