Home / 75,300.39-103,912.70-41,308.54

Finding the Fourth Proportional to 75,300.39, 103,912.70 and 41,308.54

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Solution

The fourth proportional to 75,300.39, 103,912.70 and 41,308.54 is: 57,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.39 : 103,912.70 = 41,308.54 : x
  2. Step 2: Convert to fraction form
    75,300.39/103,912.70 = 41,308.54/x
  3. Step 3: Cross multiply
    75,300.39x = 103,912.70 × 41,308.54
  4. Step 4: Simplify right side
    75,300.39x = 4,292,481,458.13
  5. Step 5: Solve for x
    x = 4,292,481,458.13/75,300.39
  6. Step 6: Final answer
    x = 57,004.77

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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.