Home / 109,702.80-164,601.99-43,191.27

Finding the Fourth Proportional to 109,702.80, 164,601.99 and 43,191.27

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Solution

The fourth proportional to 109,702.80, 164,601.99 and 43,191.27 is: 64,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,702.80 : 164,601.99 = 43,191.27 : x
  2. Step 2: Convert to fraction form
    109,702.80/164,601.99 = 43,191.27/x
  3. Step 3: Cross multiply
    109,702.80x = 164,601.99 × 43,191.27
  4. Step 4: Simplify right side
    109,702.80x = 7,109,368,992.63
  5. Step 5: Solve for x
    x = 7,109,368,992.63/109,702.80
  6. Step 6: Final answer
    x = 64,805.72

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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.