Home / 80,529.44-120,735.80-40,573.04

Finding the Fourth Proportional to 80,529.44, 120,735.80 and 40,573.04

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Solution

The fourth proportional to 80,529.44, 120,735.80 and 40,573.04 is: 60,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,529.44 : 120,735.80 = 40,573.04 : x
  2. Step 2: Convert to fraction form
    80,529.44/120,735.80 = 40,573.04/x
  3. Step 3: Cross multiply
    80,529.44x = 120,735.80 × 40,573.04
  4. Step 4: Simplify right side
    80,529.44x = 4,898,618,442.83
  5. Step 5: Solve for x
    x = 4,898,618,442.83/80,529.44
  6. Step 6: Final answer
    x = 60,830.16

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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.