Home / 68,317.16-102,514.61-54,553.64

Finding the Fourth Proportional to 68,317.16, 102,514.61 and 54,553.64

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Solution

The fourth proportional to 68,317.16, 102,514.61 and 54,553.64 is: 81,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,317.16 : 102,514.61 = 54,553.64 : x
  2. Step 2: Convert to fraction form
    68,317.16/102,514.61 = 54,553.64/x
  3. Step 3: Cross multiply
    68,317.16x = 102,514.61 × 54,553.64
  4. Step 4: Simplify right side
    68,317.16x = 5,592,544,752.49
  5. Step 5: Solve for x
    x = 5,592,544,752.49/68,317.16
  6. Step 6: Final answer
    x = 81,861.50

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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.