Home / 68,049.68-93,920.91-39,365.96

Finding the Fourth Proportional to 68,049.68, 93,920.91 and 39,365.96

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Solution

The fourth proportional to 68,049.68, 93,920.91 and 39,365.96 is: 54,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,049.68 : 93,920.91 = 39,365.96 : x
  2. Step 2: Convert to fraction form
    68,049.68/93,920.91 = 39,365.96/x
  3. Step 3: Cross multiply
    68,049.68x = 93,920.91 × 39,365.96
  4. Step 4: Simplify right side
    68,049.68x = 3,697,286,786.22
  5. Step 5: Solve for x
    x = 3,697,286,786.22/68,049.68
  6. Step 6: Final answer
    x = 54,332.17

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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.