Home / 73,742.20-101,771.04-41,902.72

Finding the Fourth Proportional to 73,742.20, 101,771.04 and 41,902.72

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Solution

The fourth proportional to 73,742.20, 101,771.04 and 41,902.72 is: 57,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,742.20 : 101,771.04 = 41,902.72 : x
  2. Step 2: Convert to fraction form
    73,742.20/101,771.04 = 41,902.72/x
  3. Step 3: Cross multiply
    73,742.20x = 101,771.04 × 41,902.72
  4. Step 4: Simplify right side
    73,742.20x = 4,264,483,393.23
  5. Step 5: Solve for x
    x = 4,264,483,393.23/73,742.20
  6. Step 6: Final answer
    x = 57,829.62

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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.