Home / 84,419.43-126,582.38-34,534.54

Finding the Fourth Proportional to 84,419.43, 126,582.38 and 34,534.54

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Solution

The fourth proportional to 84,419.43, 126,582.38 and 34,534.54 is: 51,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,419.43 : 126,582.38 = 34,534.54 : x
  2. Step 2: Convert to fraction form
    84,419.43/126,582.38 = 34,534.54/x
  3. Step 3: Cross multiply
    84,419.43x = 126,582.38 × 34,534.54
  4. Step 4: Simplify right side
    84,419.43x = 4,371,464,265.41
  5. Step 5: Solve for x
    x = 4,371,464,265.41/84,419.43
  6. Step 6: Final answer
    x = 51,782.68

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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.