Home / 75,387.51-104,035.89-41,399.07

Finding the Fourth Proportional to 75,387.51, 104,035.89 and 41,399.07

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Solution

The fourth proportional to 75,387.51, 104,035.89 and 41,399.07 is: 57,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,387.51 : 104,035.89 = 41,399.07 : x
  2. Step 2: Convert to fraction form
    75,387.51/104,035.89 = 41,399.07/x
  3. Step 3: Cross multiply
    75,387.51x = 104,035.89 × 41,399.07
  4. Step 4: Simplify right side
    75,387.51x = 4,306,989,092.62
  5. Step 5: Solve for x
    x = 4,306,989,092.62/75,387.51
  6. Step 6: Final answer
    x = 57,131.34

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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.