Home / 68,920.72-95,106.25-38,705.27

Finding the Fourth Proportional to 68,920.72, 95,106.25 and 38,705.27

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Solution

The fourth proportional to 68,920.72, 95,106.25 and 38,705.27 is: 53,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,920.72 : 95,106.25 = 38,705.27 : x
  2. Step 2: Convert to fraction form
    68,920.72/95,106.25 = 38,705.27/x
  3. Step 3: Cross multiply
    68,920.72x = 95,106.25 × 38,705.27
  4. Step 4: Simplify right side
    68,920.72x = 3,681,112,925.27
  5. Step 5: Solve for x
    x = 3,681,112,925.27/68,920.72
  6. Step 6: Final answer
    x = 53,410.83

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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.