Home / 79,641.27-109,907.15-43,343.04

Finding the Fourth Proportional to 79,641.27, 109,907.15 and 43,343.04

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Solution

The fourth proportional to 79,641.27, 109,907.15 and 43,343.04 is: 59,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,641.27 : 109,907.15 = 43,343.04 : x
  2. Step 2: Convert to fraction form
    79,641.27/109,907.15 = 43,343.04/x
  3. Step 3: Cross multiply
    79,641.27x = 109,907.15 × 43,343.04
  4. Step 4: Simplify right side
    79,641.27x = 4,763,709,782.02
  5. Step 5: Solve for x
    x = 4,763,709,782.02/79,641.27
  6. Step 6: Final answer
    x = 59,814.59

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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.