Home / 69,109.14-103,677.12-26,987.52

Finding the Fourth Proportional to 69,109.14, 103,677.12 and 26,987.52

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Solution

The fourth proportional to 69,109.14, 103,677.12 and 26,987.52 is: 40,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.14 : 103,677.12 = 26,987.52 : x
  2. Step 2: Convert to fraction form
    69,109.14/103,677.12 = 26,987.52/x
  3. Step 3: Cross multiply
    69,109.14x = 103,677.12 × 26,987.52
  4. Step 4: Simplify right side
    69,109.14x = 2,797,988,349.54
  5. Step 5: Solve for x
    x = 2,797,988,349.54/69,109.14
  6. Step 6: Final answer
    x = 40,486.52

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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.