Home / 92,451.48-138,763.89-48,109.65

Finding the Fourth Proportional to 92,451.48, 138,763.89 and 48,109.65

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Solution

The fourth proportional to 92,451.48, 138,763.89 and 48,109.65 is: 72,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,451.48 : 138,763.89 = 48,109.65 : x
  2. Step 2: Convert to fraction form
    92,451.48/138,763.89 = 48,109.65/x
  3. Step 3: Cross multiply
    92,451.48x = 138,763.89 × 48,109.65
  4. Step 4: Simplify right side
    92,451.48x = 6,675,882,180.54
  5. Step 5: Solve for x
    x = 6,675,882,180.54/92,451.48
  6. Step 6: Final answer
    x = 72,209.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.