Home / 115,805.20-173,707.80-49,228.60

Finding the Fourth Proportional to 115,805.20, 173,707.80 and 49,228.60

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Solution

The fourth proportional to 115,805.20, 173,707.80 and 49,228.60 is: 73,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,805.20 : 173,707.80 = 49,228.60 : x
  2. Step 2: Convert to fraction form
    115,805.20/173,707.80 = 49,228.60/x
  3. Step 3: Cross multiply
    115,805.20x = 173,707.80 × 49,228.60
  4. Step 4: Simplify right side
    115,805.20x = 8,551,391,803.08
  5. Step 5: Solve for x
    x = 8,551,391,803.08/115,805.20
  6. Step 6: Final answer
    x = 73,842.90

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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.