Home / 49,398.96-68,164.21-28,176.96

Finding the Fourth Proportional to 49,398.96, 68,164.21 and 28,176.96

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Solution

The fourth proportional to 49,398.96, 68,164.21 and 28,176.96 is: 38,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.96 : 68,164.21 = 28,176.96 : x
  2. Step 2: Convert to fraction form
    49,398.96/68,164.21 = 28,176.96/x
  3. Step 3: Cross multiply
    49,398.96x = 68,164.21 × 28,176.96
  4. Step 4: Simplify right side
    49,398.96x = 1,920,660,218.60
  5. Step 5: Solve for x
    x = 1,920,660,218.60/49,398.96
  6. Step 6: Final answer
    x = 38,880.58

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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.