Home / 68,221.56-102,207.66-49,455.06

Finding the Fourth Proportional to 68,221.56, 102,207.66 and 49,455.06

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Solution

The fourth proportional to 68,221.56, 102,207.66 and 49,455.06 is: 74,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,221.56 : 102,207.66 = 49,455.06 : x
  2. Step 2: Convert to fraction form
    68,221.56/102,207.66 = 49,455.06/x
  3. Step 3: Cross multiply
    68,221.56x = 102,207.66 × 49,455.06
  4. Step 4: Simplify right side
    68,221.56x = 5,054,685,957.76
  5. Step 5: Solve for x
    x = 5,054,685,957.76/68,221.56
  6. Step 6: Final answer
    x = 74,092.21

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1.5x scale

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.