Home / 84,098.70-126,157.23-41,989.32

Finding the Fourth Proportional to 84,098.70, 126,157.23 and 41,989.32

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Solution

The fourth proportional to 84,098.70, 126,157.23 and 41,989.32 is: 62,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.70 : 126,157.23 = 41,989.32 : x
  2. Step 2: Convert to fraction form
    84,098.70/126,157.23 = 41,989.32/x
  3. Step 3: Cross multiply
    84,098.70x = 126,157.23 × 41,989.32
  4. Step 4: Simplify right side
    84,098.70x = 5,297,256,300.78
  5. Step 5: Solve for x
    x = 5,297,256,300.78/84,098.70
  6. Step 6: Final answer
    x = 62,988.56

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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.