Home / 68,990.67-95,207.39-38,777.26

Finding the Fourth Proportional to 68,990.67, 95,207.39 and 38,777.26

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Solution

The fourth proportional to 68,990.67, 95,207.39 and 38,777.26 is: 53,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990.67 : 95,207.39 = 38,777.26 : x
  2. Step 2: Convert to fraction form
    68,990.67/95,207.39 = 38,777.26/x
  3. Step 3: Cross multiply
    68,990.67x = 95,207.39 × 38,777.26
  4. Step 4: Simplify right side
    68,990.67x = 3,691,881,522.07
  5. Step 5: Solve for x
    x = 3,691,881,522.07/68,990.67
  6. Step 6: Final answer
    x = 53,512.77

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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.