Home / 76,914.49-115,423.22-26,994.82

Finding the Fourth Proportional to 76,914.49, 115,423.22 and 26,994.82

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Solution

The fourth proportional to 76,914.49, 115,423.22 and 26,994.82 is: 40,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,914.49 : 115,423.22 = 26,994.82 : x
  2. Step 2: Convert to fraction form
    76,914.49/115,423.22 = 26,994.82/x
  3. Step 3: Cross multiply
    76,914.49x = 115,423.22 × 26,994.82
  4. Step 4: Simplify right side
    76,914.49x = 3,115,828,912.75
  5. Step 5: Solve for x
    x = 3,115,828,912.75/76,914.49
  6. Step 6: Final answer
    x = 40,510.30

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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.