Home / 117,732.81-162,467.87-66,750.27

Finding the Fourth Proportional to 117,732.81, 162,467.87 and 66,750.27

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Solution

The fourth proportional to 117,732.81, 162,467.87 and 66,750.27 is: 92,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,732.81 : 162,467.87 = 66,750.27 : x
  2. Step 2: Convert to fraction form
    117,732.81/162,467.87 = 66,750.27/x
  3. Step 3: Cross multiply
    117,732.81x = 162,467.87 × 66,750.27
  4. Step 4: Simplify right side
    117,732.81x = 10,844,774,355.70
  5. Step 5: Solve for x
    x = 10,844,774,355.70/117,732.81
  6. Step 6: Final answer
    x = 92,113.44

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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.