Home / 117,700.84-162,274.70-76,234.05

Finding the Fourth Proportional to 117,700.84, 162,274.70 and 76,234.05

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Solution

The fourth proportional to 117,700.84, 162,274.70 and 76,234.05 is: 105,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.84 : 162,274.70 = 76,234.05 : x
  2. Step 2: Convert to fraction form
    117,700.84/162,274.70 = 76,234.05/x
  3. Step 3: Cross multiply
    117,700.84x = 162,274.70 × 76,234.05
  4. Step 4: Simplify right side
    117,700.84x = 12,370,857,593.54
  5. Step 5: Solve for x
    x = 12,370,857,593.54/117,700.84
  6. Step 6: Final answer
    x = 105,104.24

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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.