Home / 49,389.39-68,157.18-28,168.61

Finding the Fourth Proportional to 49,389.39, 68,157.18 and 28,168.61

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Solution

The fourth proportional to 49,389.39, 68,157.18 and 28,168.61 is: 38,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389.39 : 68,157.18 = 28,168.61 : x
  2. Step 2: Convert to fraction form
    49,389.39/68,157.18 = 28,168.61/x
  3. Step 3: Cross multiply
    49,389.39x = 68,157.18 × 28,168.61
  4. Step 4: Simplify right side
    49,389.39x = 1,919,892,681.33
  5. Step 5: Solve for x
    x = 1,919,892,681.33/49,389.39
  6. Step 6: Final answer
    x = 38,872.57

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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.