Home / 69,865.20-96,411.96-39,653.31

Finding the Fourth Proportional to 69,865.20, 96,411.96 and 39,653.31

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Solution

The fourth proportional to 69,865.20, 96,411.96 and 39,653.31 is: 54,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,865.20 : 96,411.96 = 39,653.31 : x
  2. Step 2: Convert to fraction form
    69,865.20/96,411.96 = 39,653.31/x
  3. Step 3: Cross multiply
    69,865.20x = 96,411.96 × 39,653.31
  4. Step 4: Simplify right side
    69,865.20x = 3,823,053,337.59
  5. Step 5: Solve for x
    x = 3,823,053,337.59/69,865.20
  6. Step 6: Final answer
    x = 54,720.42

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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.