Home / 68,116.05-93,998.67-39,436.92

Finding the Fourth Proportional to 68,116.05, 93,998.67 and 39,436.92

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Solution

The fourth proportional to 68,116.05, 93,998.67 and 39,436.92 is: 54,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,116.05 : 93,998.67 = 39,436.92 : x
  2. Step 2: Convert to fraction form
    68,116.05/93,998.67 = 39,436.92/x
  3. Step 3: Cross multiply
    68,116.05x = 93,998.67 × 39,436.92
  4. Step 4: Simplify right side
    68,116.05x = 3,707,018,028.90
  5. Step 5: Solve for x
    x = 3,707,018,028.90/68,116.05
  6. Step 6: Final answer
    x = 54,422.09

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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.