Home / 115,150.91-172,732.55-36,271.31

Finding the Fourth Proportional to 115,150.91, 172,732.55 and 36,271.31

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Solution

The fourth proportional to 115,150.91, 172,732.55 and 36,271.31 is: 54,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.91 : 172,732.55 = 36,271.31 : x
  2. Step 2: Convert to fraction form
    115,150.91/172,732.55 = 36,271.31/x
  3. Step 3: Cross multiply
    115,150.91x = 172,732.55 × 36,271.31
  4. Step 4: Simplify right side
    115,150.91x = 6,265,234,823.12
  5. Step 5: Solve for x
    x = 6,265,234,823.12/115,150.91
  6. Step 6: Final answer
    x = 54,408.91

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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.