Home / 69,089.82-103,550.70-39,029.52

Finding the Fourth Proportional to 69,089.82, 103,550.70 and 39,029.52

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Solution

The fourth proportional to 69,089.82, 103,550.70 and 39,029.52 is: 58,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.82 : 103,550.70 = 39,029.52 : x
  2. Step 2: Convert to fraction form
    69,089.82/103,550.70 = 39,029.52/x
  3. Step 3: Cross multiply
    69,089.82x = 103,550.70 × 39,029.52
  4. Step 4: Simplify right side
    69,089.82x = 4,041,534,116.66
  5. Step 5: Solve for x
    x = 4,041,534,116.66/69,089.82
  6. Step 6: Final answer
    x = 58,496.81

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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.