Home / 68,625.12-94,699.44-38,811.36

Finding the Fourth Proportional to 68,625.12, 94,699.44 and 38,811.36

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Solution

The fourth proportional to 68,625.12, 94,699.44 and 38,811.36 is: 53,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,625.12 : 94,699.44 = 38,811.36 : x
  2. Step 2: Convert to fraction form
    68,625.12/94,699.44 = 38,811.36/x
  3. Step 3: Cross multiply
    68,625.12x = 94,699.44 × 38,811.36
  4. Step 4: Simplify right side
    68,625.12x = 3,675,414,057.64
  5. Step 5: Solve for x
    x = 3,675,414,057.64/68,625.12
  6. Step 6: Final answer
    x = 53,557.85

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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.