Home / 69,898.10-96,456.08-39,679.43

Finding the Fourth Proportional to 69,898.10, 96,456.08 and 39,679.43

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Solution

The fourth proportional to 69,898.10, 96,456.08 and 39,679.43 is: 54,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.10 : 96,456.08 = 39,679.43 : x
  2. Step 2: Convert to fraction form
    69,898.10/96,456.08 = 39,679.43/x
  3. Step 3: Cross multiply
    69,898.10x = 96,456.08 × 39,679.43
  4. Step 4: Simplify right side
    69,898.10x = 3,827,322,274.43
  5. Step 5: Solve for x
    x = 3,827,322,274.43/69,898.10
  6. Step 6: Final answer
    x = 54,755.74

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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.