Home / 45,920.10-68,920.65-27,176.70

Finding the Fourth Proportional to 45,920.10, 68,920.65 and 27,176.70

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Solution

The fourth proportional to 45,920.10, 68,920.65 and 27,176.70 is: 40,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.10 : 68,920.65 = 27,176.70 : x
  2. Step 2: Convert to fraction form
    45,920.10/68,920.65 = 27,176.70/x
  3. Step 3: Cross multiply
    45,920.10x = 68,920.65 × 27,176.70
  4. Step 4: Simplify right side
    45,920.10x = 1,873,035,828.86
  5. Step 5: Solve for x
    x = 1,873,035,828.86/45,920.10
  6. Step 6: Final answer
    x = 40,789.02

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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.