Home / 117,666.06-162,379.16-63,951.20

Finding the Fourth Proportional to 117,666.06, 162,379.16 and 63,951.20

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Solution

The fourth proportional to 117,666.06, 162,379.16 and 63,951.20 is: 88,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.06 : 162,379.16 = 63,951.20 : x
  2. Step 2: Convert to fraction form
    117,666.06/162,379.16 = 63,951.20/x
  3. Step 3: Cross multiply
    117,666.06x = 162,379.16 × 63,951.20
  4. Step 4: Simplify right side
    117,666.06x = 10,384,342,136.99
  5. Step 5: Solve for x
    x = 10,384,342,136.99/117,666.06
  6. Step 6: Final answer
    x = 88,252.65

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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.