Home / 68,318.06-94,279.44-38,105.36

Finding the Fourth Proportional to 68,318.06, 94,279.44 and 38,105.36

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Solution

The fourth proportional to 68,318.06, 94,279.44 and 38,105.36 is: 52,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,318.06 : 94,279.44 = 38,105.36 : x
  2. Step 2: Convert to fraction form
    68,318.06/94,279.44 = 38,105.36/x
  3. Step 3: Cross multiply
    68,318.06x = 94,279.44 × 38,105.36
  4. Step 4: Simplify right side
    68,318.06x = 3,592,552,001.80
  5. Step 5: Solve for x
    x = 3,592,552,001.80/68,318.06
  6. Step 6: Final answer
    x = 52,585.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.