Home / 64,108.23-96,183.76-40,388.40

Finding the Fourth Proportional to 64,108.23, 96,183.76 and 40,388.40

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Solution

The fourth proportional to 64,108.23, 96,183.76 and 40,388.40 is: 60,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,108.23 : 96,183.76 = 40,388.40 : x
  2. Step 2: Convert to fraction form
    64,108.23/96,183.76 = 40,388.40/x
  3. Step 3: Cross multiply
    64,108.23x = 96,183.76 × 40,388.40
  4. Step 4: Simplify right side
    64,108.23x = 3,884,708,172.38
  5. Step 5: Solve for x
    x = 3,884,708,172.38/64,108.23
  6. Step 6: Final answer
    x = 60,596.09

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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.