Home / 90,384.44-124,727.73-50,099.90

Finding the Fourth Proportional to 90,384.44, 124,727.73 and 50,099.90

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Solution

The fourth proportional to 90,384.44, 124,727.73 and 50,099.90 is: 69,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.44 : 124,727.73 = 50,099.90 : x
  2. Step 2: Convert to fraction form
    90,384.44/124,727.73 = 50,099.90/x
  3. Step 3: Cross multiply
    90,384.44x = 124,727.73 × 50,099.90
  4. Step 4: Simplify right side
    90,384.44x = 6,248,846,800.23
  5. Step 5: Solve for x
    x = 6,248,846,800.23/90,384.44
  6. Step 6: Final answer
    x = 69,136.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.