Home / 80,548.30-111,155.21-44,738

Finding the Fourth Proportional to 80,548.30, 111,155.21 and 44,738

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Solution

The fourth proportional to 80,548.30, 111,155.21 and 44,738 is: 61,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548.30 : 111,155.21 = 44,738 : x
  2. Step 2: Convert to fraction form
    80,548.30/111,155.21 = 44,738/x
  3. Step 3: Cross multiply
    80,548.30x = 111,155.21 × 44,738
  4. Step 4: Simplify right side
    80,548.30x = 4,972,861,784.98
  5. Step 5: Solve for x
    x = 4,972,861,784.98/80,548.30
  6. Step 6: Final answer
    x = 61,737.64

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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.