Home / 84,735.36-126,982.08-43,211.52

Finding the Fourth Proportional to 84,735.36, 126,982.08 and 43,211.52

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Solution

The fourth proportional to 84,735.36, 126,982.08 and 43,211.52 is: 64,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.36 : 126,982.08 = 43,211.52 : x
  2. Step 2: Convert to fraction form
    84,735.36/126,982.08 = 43,211.52/x
  3. Step 3: Cross multiply
    84,735.36x = 126,982.08 × 43,211.52
  4. Step 4: Simplify right side
    84,735.36x = 5,487,088,689.56
  5. Step 5: Solve for x
    x = 5,487,088,689.56/84,735.36
  6. Step 6: Final answer
    x = 64,755.60

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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.