Home / 68,896.68-95,070.08-38,685.30

Finding the Fourth Proportional to 68,896.68, 95,070.08 and 38,685.30

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Solution

The fourth proportional to 68,896.68, 95,070.08 and 38,685.30 is: 53,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,896.68 : 95,070.08 = 38,685.30 : x
  2. Step 2: Convert to fraction form
    68,896.68/95,070.08 = 38,685.30/x
  3. Step 3: Cross multiply
    68,896.68x = 95,070.08 × 38,685.30
  4. Step 4: Simplify right side
    68,896.68x = 3,677,814,662.54
  5. Step 5: Solve for x
    x = 3,677,814,662.54/68,896.68
  6. Step 6: Final answer
    x = 53,381.59

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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.