Home / 84,410.43-126,615.63-34,490.48

Finding the Fourth Proportional to 84,410.43, 126,615.63 and 34,490.48

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Solution

The fourth proportional to 84,410.43, 126,615.63 and 34,490.48 is: 51,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,410.43 : 126,615.63 = 34,490.48 : x
  2. Step 2: Convert to fraction form
    84,410.43/126,615.63 = 34,490.48/x
  3. Step 3: Cross multiply
    84,410.43x = 126,615.63 × 34,490.48
  4. Step 4: Simplify right side
    84,410.43x = 4,367,033,350.46
  5. Step 5: Solve for x
    x = 4,367,033,350.46/84,410.43
  6. Step 6: Final answer
    x = 51,735.71

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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.