Home / 68,039.46-93,864.15-39,732.66

Finding the Fourth Proportional to 68,039.46, 93,864.15 and 39,732.66

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Solution

The fourth proportional to 68,039.46, 93,864.15 and 39,732.66 is: 54,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039.46 : 93,864.15 = 39,732.66 : x
  2. Step 2: Convert to fraction form
    68,039.46/93,864.15 = 39,732.66/x
  3. Step 3: Cross multiply
    68,039.46x = 93,864.15 × 39,732.66
  4. Step 4: Simplify right side
    68,039.46x = 3,729,472,358.14
  5. Step 5: Solve for x
    x = 3,729,472,358.14/68,039.46
  6. Step 6: Final answer
    x = 54,813.37

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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.