Home / 68,911.08-95,098.28-38,702.92

Finding the Fourth Proportional to 68,911.08, 95,098.28 and 38,702.92

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Solution

The fourth proportional to 68,911.08, 95,098.28 and 38,702.92 is: 53,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,911.08 : 95,098.28 = 38,702.92 : x
  2. Step 2: Convert to fraction form
    68,911.08/95,098.28 = 38,702.92/x
  3. Step 3: Cross multiply
    68,911.08x = 95,098.28 × 38,702.92
  4. Step 4: Simplify right side
    68,911.08x = 3,680,581,122.98
  5. Step 5: Solve for x
    x = 3,680,581,122.98/68,911.08
  6. Step 6: Final answer
    x = 53,410.59

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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.