Home / 73,292.16-109,945.44-20,702.04

Finding the Fourth Proportional to 73,292.16, 109,945.44 and 20,702.04

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Solution

The fourth proportional to 73,292.16, 109,945.44 and 20,702.04 is: 31,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292.16 : 109,945.44 = 20,702.04 : x
  2. Step 2: Convert to fraction form
    73,292.16/109,945.44 = 20,702.04/x
  3. Step 3: Cross multiply
    73,292.16x = 109,945.44 × 20,702.04
  4. Step 4: Simplify right side
    73,292.16x = 2,276,094,896.70
  5. Step 5: Solve for x
    x = 2,276,094,896.70/73,292.16
  6. Step 6: Final answer
    x = 31,055.09

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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.