Home / 75,302.07-103,917.63-41,310.60

Finding the Fourth Proportional to 75,302.07, 103,917.63 and 41,310.60

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Solution

The fourth proportional to 75,302.07, 103,917.63 and 41,310.60 is: 57,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,302.07 : 103,917.63 = 41,310.60 : x
  2. Step 2: Convert to fraction form
    75,302.07/103,917.63 = 41,310.60/x
  3. Step 3: Cross multiply
    75,302.07x = 103,917.63 × 41,310.60
  4. Step 4: Simplify right side
    75,302.07x = 4,292,899,645.88
  5. Step 5: Solve for x
    x = 4,292,899,645.88/75,302.07
  6. Step 6: Final answer
    x = 57,009.05

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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.