Home / 68,046.36-102,132.72-34,790.19

Finding the Fourth Proportional to 68,046.36, 102,132.72 and 34,790.19

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Solution

The fourth proportional to 68,046.36, 102,132.72 and 34,790.19 is: 52,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.36 : 102,132.72 = 34,790.19 : x
  2. Step 2: Convert to fraction form
    68,046.36/102,132.72 = 34,790.19/x
  3. Step 3: Cross multiply
    68,046.36x = 102,132.72 × 34,790.19
  4. Step 4: Simplify right side
    68,046.36x = 3,553,216,734.02
  5. Step 5: Solve for x
    x = 3,553,216,734.02/68,046.36
  6. Step 6: Final answer
    x = 52,217.59

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1.5x scale

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.