Home / 117,982.08-162,805.44-67,670.40

Finding the Fourth Proportional to 117,982.08, 162,805.44 and 67,670.40

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Solution

The fourth proportional to 117,982.08, 162,805.44 and 67,670.40 is: 93,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,982.08 : 162,805.44 = 67,670.40 : x
  2. Step 2: Convert to fraction form
    117,982.08/162,805.44 = 67,670.40/x
  3. Step 3: Cross multiply
    117,982.08x = 162,805.44 × 67,670.40
  4. Step 4: Simplify right side
    117,982.08x = 11,017,109,246.98
  5. Step 5: Solve for x
    x = 11,017,109,246.98/117,982.08
  6. Step 6: Final answer
    x = 93,379.51

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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.