Home / 84,324.52-126,603.42-42,800.68

Finding the Fourth Proportional to 84,324.52, 126,603.42 and 42,800.68

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Solution

The fourth proportional to 84,324.52, 126,603.42 and 42,800.68 is: 64,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,324.52 : 126,603.42 = 42,800.68 : x
  2. Step 2: Convert to fraction form
    84,324.52/126,603.42 = 42,800.68/x
  3. Step 3: Cross multiply
    84,324.52x = 126,603.42 × 42,800.68
  4. Step 4: Simplify right side
    84,324.52x = 5,418,712,466.33
  5. Step 5: Solve for x
    x = 5,418,712,466.33/84,324.52
  6. Step 6: Final answer
    x = 64,260.22

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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.