Home / 117,905.50-176,747.07-58,685.18

Finding the Fourth Proportional to 117,905.50, 176,747.07 and 58,685.18

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Solution

The fourth proportional to 117,905.50, 176,747.07 and 58,685.18 is: 87,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,905.50 : 176,747.07 = 58,685.18 : x
  2. Step 2: Convert to fraction form
    117,905.50/176,747.07 = 58,685.18/x
  3. Step 3: Cross multiply
    117,905.50x = 176,747.07 × 58,685.18
  4. Step 4: Simplify right side
    117,905.50x = 10,372,434,059.29
  5. Step 5: Solve for x
    x = 10,372,434,059.29/117,905.50
  6. Step 6: Final answer
    x = 87,972.44

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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.