Home / 115,785.10-173,661.45-36,907.30

Finding the Fourth Proportional to 115,785.10, 173,661.45 and 36,907.30

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Solution

The fourth proportional to 115,785.10, 173,661.45 and 36,907.30 is: 55,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,785.10 : 173,661.45 = 36,907.30 : x
  2. Step 2: Convert to fraction form
    115,785.10/173,661.45 = 36,907.30/x
  3. Step 3: Cross multiply
    115,785.10x = 173,661.45 × 36,907.30
  4. Step 4: Simplify right side
    115,785.10x = 6,409,375,233.59
  5. Step 5: Solve for x
    x = 6,409,375,233.59/115,785.10
  6. Step 6: Final answer
    x = 55,355.79

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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.