Home / 84,735.86-126,982.83-43,212.02

Finding the Fourth Proportional to 84,735.86, 126,982.83 and 43,212.02

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Solution

The fourth proportional to 84,735.86, 126,982.83 and 43,212.02 is: 64,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.86 : 126,982.83 = 43,212.02 : x
  2. Step 2: Convert to fraction form
    84,735.86/126,982.83 = 43,212.02/x
  3. Step 3: Cross multiply
    84,735.86x = 126,982.83 × 43,212.02
  4. Step 4: Simplify right side
    84,735.86x = 5,487,184,589.62
  5. Step 5: Solve for x
    x = 5,487,184,589.62/84,735.86
  6. Step 6: Final answer
    x = 64,756.35

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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.