Home / 75,133.44-103,685.76-41,604.48

Finding the Fourth Proportional to 75,133.44, 103,685.76 and 41,604.48

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Solution

The fourth proportional to 75,133.44, 103,685.76 and 41,604.48 is: 57,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.44 : 103,685.76 = 41,604.48 : x
  2. Step 2: Convert to fraction form
    75,133.44/103,685.76 = 41,604.48/x
  3. Step 3: Cross multiply
    75,133.44x = 103,685.76 × 41,604.48
  4. Step 4: Simplify right side
    75,133.44x = 4,313,792,128.20
  5. Step 5: Solve for x
    x = 4,313,792,128.20/75,133.44
  6. Step 6: Final answer
    x = 57,415.08

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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.