Home / 115,074.12-172,632.96-44,949

Finding the Fourth Proportional to 115,074.12, 172,632.96 and 44,949

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Solution

The fourth proportional to 115,074.12, 172,632.96 and 44,949 is: 67,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074.12 : 172,632.96 = 44,949 : x
  2. Step 2: Convert to fraction form
    115,074.12/172,632.96 = 44,949/x
  3. Step 3: Cross multiply
    115,074.12x = 172,632.96 × 44,949
  4. Step 4: Simplify right side
    115,074.12x = 7,759,678,919.04
  5. Step 5: Solve for x
    x = 7,759,678,919.04/115,074.12
  6. Step 6: Final answer
    x = 67,432.01

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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.