Home / 76,224.49-105,204.55-43,979.96

Finding the Fourth Proportional to 76,224.49, 105,204.55 and 43,979.96

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Solution

The fourth proportional to 76,224.49, 105,204.55 and 43,979.96 is: 60,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,224.49 : 105,204.55 = 43,979.96 : x
  2. Step 2: Convert to fraction form
    76,224.49/105,204.55 = 43,979.96/x
  3. Step 3: Cross multiply
    76,224.49x = 105,204.55 × 43,979.96
  4. Step 4: Simplify right side
    76,224.49x = 4,626,892,012.65
  5. Step 5: Solve for x
    x = 4,626,892,012.65/76,224.49
  6. Step 6: Final answer
    x = 60,700.86

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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.