Home / 69,942.86-104,915.02-55,991.58

Finding the Fourth Proportional to 69,942.86, 104,915.02 and 55,991.58

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Solution

The fourth proportional to 69,942.86, 104,915.02 and 55,991.58 is: 83,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.86 : 104,915.02 = 55,991.58 : x
  2. Step 2: Convert to fraction form
    69,942.86/104,915.02 = 55,991.58/x
  3. Step 3: Cross multiply
    69,942.86x = 104,915.02 × 55,991.58
  4. Step 4: Simplify right side
    69,942.86x = 5,874,357,735.53
  5. Step 5: Solve for x
    x = 5,874,357,735.53/69,942.86
  6. Step 6: Final answer
    x = 83,987.95

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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.