Home / 75,477.39-104,161.31-41,487.09

Finding the Fourth Proportional to 75,477.39, 104,161.31 and 41,487.09

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Solution

The fourth proportional to 75,477.39, 104,161.31 and 41,487.09 is: 57,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.39 : 104,161.31 = 41,487.09 : x
  2. Step 2: Convert to fraction form
    75,477.39/104,161.31 = 41,487.09/x
  3. Step 3: Cross multiply
    75,477.39x = 104,161.31 × 41,487.09
  4. Step 4: Simplify right side
    75,477.39x = 4,321,349,642.49
  5. Step 5: Solve for x
    x = 4,321,349,642.49/75,477.39
  6. Step 6: Final answer
    x = 57,253.56

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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.