Home / 117,491.43-162,141.11-63,776.37

Finding the Fourth Proportional to 117,491.43, 162,141.11 and 63,776.37

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Solution

The fourth proportional to 117,491.43, 162,141.11 and 63,776.37 is: 88,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,491.43 : 162,141.11 = 63,776.37 : x
  2. Step 2: Convert to fraction form
    117,491.43/162,141.11 = 63,776.37/x
  3. Step 3: Cross multiply
    117,491.43x = 162,141.11 × 63,776.37
  4. Step 4: Simplify right side
    117,491.43x = 10,340,771,423.57
  5. Step 5: Solve for x
    x = 10,340,771,423.57/117,491.43
  6. Step 6: Final answer
    x = 88,012.98

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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.