Home / 79,339.80-109,490.04-43,529.16

Finding the Fourth Proportional to 79,339.80, 109,490.04 and 43,529.16

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Solution

The fourth proportional to 79,339.80, 109,490.04 and 43,529.16 is: 60,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.80 : 109,490.04 = 43,529.16 : x
  2. Step 2: Convert to fraction form
    79,339.80/109,490.04 = 43,529.16/x
  3. Step 3: Cross multiply
    79,339.80x = 109,490.04 × 43,529.16
  4. Step 4: Simplify right side
    79,339.80x = 4,766,009,469.57
  5. Step 5: Solve for x
    x = 4,766,009,469.57/79,339.80
  6. Step 6: Final answer
    x = 60,070.85

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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.