Home / 80,853.54-121,293.27-34,113.30

Finding the Fourth Proportional to 80,853.54, 121,293.27 and 34,113.30

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Solution

The fourth proportional to 80,853.54, 121,293.27 and 34,113.30 is: 51,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853.54 : 121,293.27 = 34,113.30 : x
  2. Step 2: Convert to fraction form
    80,853.54/121,293.27 = 34,113.30/x
  3. Step 3: Cross multiply
    80,853.54x = 121,293.27 × 34,113.30
  4. Step 4: Simplify right side
    80,853.54x = 4,137,713,707.49
  5. Step 5: Solve for x
    x = 4,137,713,707.49/80,853.54
  6. Step 6: Final answer
    x = 51,175.42

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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.