Home / 68,009.21-93,861.47-38,206.97

Finding the Fourth Proportional to 68,009.21, 93,861.47 and 38,206.97

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Solution

The fourth proportional to 68,009.21, 93,861.47 and 38,206.97 is: 52,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.21 : 93,861.47 = 38,206.97 : x
  2. Step 2: Convert to fraction form
    68,009.21/93,861.47 = 38,206.97/x
  3. Step 3: Cross multiply
    68,009.21x = 93,861.47 × 38,206.97
  4. Step 4: Simplify right side
    68,009.21x = 3,586,162,177.41
  5. Step 5: Solve for x
    x = 3,586,162,177.41/68,009.21
  6. Step 6: Final answer
    x = 52,730.54

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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.