Home / 115,045.92-172,576.32-36,163.20

Finding the Fourth Proportional to 115,045.92, 172,576.32 and 36,163.20

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Solution

The fourth proportional to 115,045.92, 172,576.32 and 36,163.20 is: 54,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,045.92 : 172,576.32 = 36,163.20 : x
  2. Step 2: Convert to fraction form
    115,045.92/172,576.32 = 36,163.20/x
  3. Step 3: Cross multiply
    115,045.92x = 172,576.32 × 36,163.20
  4. Step 4: Simplify right side
    115,045.92x = 6,240,911,975.42
  5. Step 5: Solve for x
    x = 6,240,911,975.42/115,045.92
  6. Step 6: Final answer
    x = 54,247.14

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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.