Home / 74,917.75-103,386.50-41,383.75

Finding the Fourth Proportional to 74,917.75, 103,386.50 and 41,383.75

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Solution

The fourth proportional to 74,917.75, 103,386.50 and 41,383.75 is: 57,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.75 : 103,386.50 = 41,383.75 : x
  2. Step 2: Convert to fraction form
    74,917.75/103,386.50 = 41,383.75/x
  3. Step 3: Cross multiply
    74,917.75x = 103,386.50 × 41,383.75
  4. Step 4: Simplify right side
    74,917.75x = 4,278,521,069.38
  5. Step 5: Solve for x
    x = 4,278,521,069.38/74,917.75
  6. Step 6: Final answer
    x = 57,109.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.