Home / 71,902.08-99,225.20-41,705.28

Finding the Fourth Proportional to 71,902.08, 99,225.20 and 41,705.28

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Solution

The fourth proportional to 71,902.08, 99,225.20 and 41,705.28 is: 57,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,902.08 : 99,225.20 = 41,705.28 : x
  2. Step 2: Convert to fraction form
    71,902.08/99,225.20 = 41,705.28/x
  3. Step 3: Cross multiply
    71,902.08x = 99,225.20 × 41,705.28
  4. Step 4: Simplify right side
    71,902.08x = 4,138,214,853.32
  5. Step 5: Solve for x
    x = 4,138,214,853.32/71,902.08
  6. Step 6: Final answer
    x = 57,553.48

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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.