Home / 69,519.79-95,942.22-39,305.40

Finding the Fourth Proportional to 69,519.79, 95,942.22 and 39,305.40

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Solution

The fourth proportional to 69,519.79, 95,942.22 and 39,305.40 is: 54,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,519.79 : 95,942.22 = 39,305.40 : x
  2. Step 2: Convert to fraction form
    69,519.79/95,942.22 = 39,305.40/x
  3. Step 3: Cross multiply
    69,519.79x = 95,942.22 × 39,305.40
  4. Step 4: Simplify right side
    69,519.79x = 3,771,047,587.58
  5. Step 5: Solve for x
    x = 3,771,047,587.58/69,519.79
  6. Step 6: Final answer
    x = 54,244.23

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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.