Home / 115,285.08-172,923.30-36,404.04

Finding the Fourth Proportional to 115,285.08, 172,923.30 and 36,404.04

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Solution

The fourth proportional to 115,285.08, 172,923.30 and 36,404.04 is: 54,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,285.08 : 172,923.30 = 36,404.04 : x
  2. Step 2: Convert to fraction form
    115,285.08/172,923.30 = 36,404.04/x
  3. Step 3: Cross multiply
    115,285.08x = 172,923.30 × 36,404.04
  4. Step 4: Simplify right side
    115,285.08x = 6,295,106,730.13
  5. Step 5: Solve for x
    x = 6,295,106,730.13/115,285.08
  6. Step 6: Final answer
    x = 54,604.70

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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.