Home / 115,917.90-173,876.85-49,360.20

Finding the Fourth Proportional to 115,917.90, 173,876.85 and 49,360.20

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Solution

The fourth proportional to 115,917.90, 173,876.85 and 49,360.20 is: 74,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917.90 : 173,876.85 = 49,360.20 : x
  2. Step 2: Convert to fraction form
    115,917.90/173,876.85 = 49,360.20/x
  3. Step 3: Cross multiply
    115,917.90x = 173,876.85 × 49,360.20
  4. Step 4: Simplify right side
    115,917.90x = 8,582,596,091.37
  5. Step 5: Solve for x
    x = 8,582,596,091.37/115,917.90
  6. Step 6: Final answer
    x = 74,040.30

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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.