Home / 84,334.49-126,519.95-31,743.82

Finding the Fourth Proportional to 84,334.49, 126,519.95 and 31,743.82

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Solution

The fourth proportional to 84,334.49, 126,519.95 and 31,743.82 is: 47,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,334.49 : 126,519.95 = 31,743.82 : x
  2. Step 2: Convert to fraction form
    84,334.49/126,519.95 = 31,743.82/x
  3. Step 3: Cross multiply
    84,334.49x = 126,519.95 × 31,743.82
  4. Step 4: Simplify right side
    84,334.49x = 4,016,226,519.21
  5. Step 5: Solve for x
    x = 4,016,226,519.21/84,334.49
  6. Step 6: Final answer
    x = 47,622.59

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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.