Home / 69,315.12-104,005.80-36,029.04

Finding the Fourth Proportional to 69,315.12, 104,005.80 and 36,029.04

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Solution

The fourth proportional to 69,315.12, 104,005.80 and 36,029.04 is: 54,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.12 : 104,005.80 = 36,029.04 : x
  2. Step 2: Convert to fraction form
    69,315.12/104,005.80 = 36,029.04/x
  3. Step 3: Cross multiply
    69,315.12x = 104,005.80 × 36,029.04
  4. Step 4: Simplify right side
    69,315.12x = 3,747,229,128.43
  5. Step 5: Solve for x
    x = 3,747,229,128.43/69,315.12
  6. Step 6: Final answer
    x = 54,060.78

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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.