Home / 73,962.34-102,152.19-49,721.20

Finding the Fourth Proportional to 73,962.34, 102,152.19 and 49,721.20

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Solution

The fourth proportional to 73,962.34, 102,152.19 and 49,721.20 is: 68,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,962.34 : 102,152.19 = 49,721.20 : x
  2. Step 2: Convert to fraction form
    73,962.34/102,152.19 = 49,721.20/x
  3. Step 3: Cross multiply
    73,962.34x = 102,152.19 × 49,721.20
  4. Step 4: Simplify right side
    73,962.34x = 5,079,129,469.43
  5. Step 5: Solve for x
    x = 5,079,129,469.43/73,962.34
  6. Step 6: Final answer
    x = 68,671.83

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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.