Home / 68,220.12-102,349.62-49,518.84

Finding the Fourth Proportional to 68,220.12, 102,349.62 and 49,518.84

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Solution

The fourth proportional to 68,220.12, 102,349.62 and 49,518.84 is: 74,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.12 : 102,349.62 = 49,518.84 : x
  2. Step 2: Convert to fraction form
    68,220.12/102,349.62 = 49,518.84/x
  3. Step 3: Cross multiply
    68,220.12x = 102,349.62 × 49,518.84
  4. Step 4: Simplify right side
    68,220.12x = 5,068,234,456.84
  5. Step 5: Solve for x
    x = 5,068,234,456.84/68,220.12
  6. Step 6: Final answer
    x = 74,292.37

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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.