Home / 69,936.89-104,780.95-40,293.47

Finding the Fourth Proportional to 69,936.89, 104,780.95 and 40,293.47

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Solution

The fourth proportional to 69,936.89, 104,780.95 and 40,293.47 is: 60,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.89 : 104,780.95 = 40,293.47 : x
  2. Step 2: Convert to fraction form
    69,936.89/104,780.95 = 40,293.47/x
  3. Step 3: Cross multiply
    69,936.89x = 104,780.95 × 40,293.47
  4. Step 4: Simplify right side
    69,936.89x = 4,221,988,226.62
  5. Step 5: Solve for x
    x = 4,221,988,226.62/69,936.89
  6. Step 6: Final answer
    x = 60,368.55

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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.