Home / 65,872.46-98,614.89-40,832.12

Finding the Fourth Proportional to 65,872.46, 98,614.89 and 40,832.12

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Solution

The fourth proportional to 65,872.46, 98,614.89 and 40,832.12 is: 61,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,872.46 : 98,614.89 = 40,832.12 : x
  2. Step 2: Convert to fraction form
    65,872.46/98,614.89 = 40,832.12/x
  3. Step 3: Cross multiply
    65,872.46x = 98,614.89 × 40,832.12
  4. Step 4: Simplify right side
    65,872.46x = 4,026,654,529.19
  5. Step 5: Solve for x
    x = 4,026,654,529.19/65,872.46
  6. Step 6: Final answer
    x = 61,128.05

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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.