Home / 76,579.70-105,684.10-44,767.22

Finding the Fourth Proportional to 76,579.70, 105,684.10 and 44,767.22

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Solution

The fourth proportional to 76,579.70, 105,684.10 and 44,767.22 is: 61,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,579.70 : 105,684.10 = 44,767.22 : x
  2. Step 2: Convert to fraction form
    76,579.70/105,684.10 = 44,767.22/x
  3. Step 3: Cross multiply
    76,579.70x = 105,684.10 × 44,767.22
  4. Step 4: Simplify right side
    76,579.70x = 4,731,183,355.20
  5. Step 5: Solve for x
    x = 4,731,183,355.20/76,579.70
  6. Step 6: Final answer
    x = 61,781.17

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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.