Home / 115,339.32-172,993.78-34,284.62

Finding the Fourth Proportional to 115,339.32, 172,993.78 and 34,284.62

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Solution

The fourth proportional to 115,339.32, 172,993.78 and 34,284.62 is: 51,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,339.32 : 172,993.78 = 34,284.62 : x
  2. Step 2: Convert to fraction form
    115,339.32/172,993.78 = 34,284.62/x
  3. Step 3: Cross multiply
    115,339.32x = 172,993.78 × 34,284.62
  4. Step 4: Simplify right side
    115,339.32x = 5,931,026,485.00
  5. Step 5: Solve for x
    x = 5,931,026,485.00/115,339.32
  6. Step 6: Final answer
    x = 51,422.42

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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.