Home / 65,902.08-90,967.05-40,060.54

Finding the Fourth Proportional to 65,902.08, 90,967.05 and 40,060.54

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Solution

The fourth proportional to 65,902.08, 90,967.05 and 40,060.54 is: 55,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,902.08 : 90,967.05 = 40,060.54 : x
  2. Step 2: Convert to fraction form
    65,902.08/90,967.05 = 40,060.54/x
  3. Step 3: Cross multiply
    65,902.08x = 90,967.05 × 40,060.54
  4. Step 4: Simplify right side
    65,902.08x = 3,644,189,145.21
  5. Step 5: Solve for x
    x = 3,644,189,145.21/65,902.08
  6. Step 6: Final answer
    x = 55,297.03

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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.