Home / 68,892.96-95,077.77-38,680.26

Finding the Fourth Proportional to 68,892.96, 95,077.77 and 38,680.26

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Solution

The fourth proportional to 68,892.96, 95,077.77 and 38,680.26 is: 53,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,892.96 : 95,077.77 = 38,680.26 : x
  2. Step 2: Convert to fraction form
    68,892.96/95,077.77 = 38,680.26/x
  3. Step 3: Cross multiply
    68,892.96x = 95,077.77 × 38,680.26
  4. Step 4: Simplify right side
    68,892.96x = 3,677,632,863.82
  5. Step 5: Solve for x
    x = 3,677,632,863.82/68,892.96
  6. Step 6: Final answer
    x = 53,381.84

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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.