Home / 79,171.48-109,256.64-43,361.44

Finding the Fourth Proportional to 79,171.48, 109,256.64 and 43,361.44

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Solution

The fourth proportional to 79,171.48, 109,256.64 and 43,361.44 is: 59,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,171.48 : 109,256.64 = 43,361.44 : x
  2. Step 2: Convert to fraction form
    79,171.48/109,256.64 = 43,361.44/x
  3. Step 3: Cross multiply
    79,171.48x = 109,256.64 × 43,361.44
  4. Step 4: Simplify right side
    79,171.48x = 4,737,525,239.96
  5. Step 5: Solve for x
    x = 4,737,525,239.96/79,171.48
  6. Step 6: Final answer
    x = 59,838.79

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1.5x scale

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.