Home / 68,977.71-95,189.18-38,764.31

Finding the Fourth Proportional to 68,977.71, 95,189.18 and 38,764.31

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Solution

The fourth proportional to 68,977.71, 95,189.18 and 38,764.31 is: 53,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977.71 : 95,189.18 = 38,764.31 : x
  2. Step 2: Convert to fraction form
    68,977.71/95,189.18 = 38,764.31/x
  3. Step 3: Cross multiply
    68,977.71x = 95,189.18 × 38,764.31
  4. Step 4: Simplify right side
    68,977.71x = 3,689,942,212.40
  5. Step 5: Solve for x
    x = 3,689,942,212.40/68,977.71
  6. Step 6: Final answer
    x = 53,494.70

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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.