Home / 84,056.26-126,015.68-39,105.64

Finding the Fourth Proportional to 84,056.26, 126,015.68 and 39,105.64

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Solution

The fourth proportional to 84,056.26, 126,015.68 and 39,105.64 is: 58,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,056.26 : 126,015.68 = 39,105.64 : x
  2. Step 2: Convert to fraction form
    84,056.26/126,015.68 = 39,105.64/x
  3. Step 3: Cross multiply
    84,056.26x = 126,015.68 × 39,105.64
  4. Step 4: Simplify right side
    84,056.26x = 4,927,923,186.36
  5. Step 5: Solve for x
    x = 4,927,923,186.36/84,056.26
  6. Step 6: Final answer
    x = 58,626.49

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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.