Home / 69,089.36-103,488.23-68,302.04

Finding the Fourth Proportional to 69,089.36, 103,488.23 and 68,302.04

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Solution

The fourth proportional to 69,089.36, 103,488.23 and 68,302.04 is: 102,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.36 : 103,488.23 = 68,302.04 : x
  2. Step 2: Convert to fraction form
    69,089.36/103,488.23 = 68,302.04/x
  3. Step 3: Cross multiply
    69,089.36x = 103,488.23 × 68,302.04
  4. Step 4: Simplify right side
    69,089.36x = 7,068,456,878.30
  5. Step 5: Solve for x
    x = 7,068,456,878.30/69,089.36
  6. Step 6: Final answer
    x = 102,308.91

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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.