Home / 83,917.40-125,876.91-23,945.81

Finding the Fourth Proportional to 83,917.40, 125,876.91 and 23,945.81

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Solution

The fourth proportional to 83,917.40, 125,876.91 and 23,945.81 is: 35,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,917.40 : 125,876.91 = 23,945.81 : x
  2. Step 2: Convert to fraction form
    83,917.40/125,876.91 = 23,945.81/x
  3. Step 3: Cross multiply
    83,917.40x = 125,876.91 × 23,945.81
  4. Step 4: Simplify right side
    83,917.40x = 3,014,224,570.25
  5. Step 5: Solve for x
    x = 3,014,224,570.25/83,917.40
  6. Step 6: Final answer
    x = 35,918.95

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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.