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Finding the Fourth Proportional to 69,471.72, 95,836.02 and 45,595.08

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Solution

The fourth proportional to 69,471.72, 95,836.02 and 45,595.08 is: 62,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,471.72 : 95,836.02 = 45,595.08 : x
  2. Step 2: Convert to fraction form
    69,471.72/95,836.02 = 45,595.08/x
  3. Step 3: Cross multiply
    69,471.72x = 95,836.02 × 45,595.08
  4. Step 4: Simplify right side
    69,471.72x = 4,369,650,998.78
  5. Step 5: Solve for x
    x = 4,369,650,998.78/69,471.72
  6. Step 6: Final answer
    x = 62,898.27

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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.