Home / 68,158.13-102,258.04-34,901.72

Finding the Fourth Proportional to 68,158.13, 102,258.04 and 34,901.72

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Solution

The fourth proportional to 68,158.13, 102,258.04 and 34,901.72 is: 52,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,158.13 : 102,258.04 = 34,901.72 : x
  2. Step 2: Convert to fraction form
    68,158.13/102,258.04 = 34,901.72/x
  3. Step 3: Cross multiply
    68,158.13x = 102,258.04 × 34,901.72
  4. Step 4: Simplify right side
    68,158.13x = 3,568,981,648.22
  5. Step 5: Solve for x
    x = 3,568,981,648.22/68,158.13
  6. Step 6: Final answer
    x = 52,363.26

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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.