Home / 75,418.03-104,053.47-43,575.31

Finding the Fourth Proportional to 75,418.03, 104,053.47 and 43,575.31

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Solution

The fourth proportional to 75,418.03, 104,053.47 and 43,575.31 is: 60,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.03 : 104,053.47 = 43,575.31 : x
  2. Step 2: Convert to fraction form
    75,418.03/104,053.47 = 43,575.31/x
  3. Step 3: Cross multiply
    75,418.03x = 104,053.47 × 43,575.31
  4. Step 4: Simplify right side
    75,418.03x = 4,534,162,211.83
  5. Step 5: Solve for x
    x = 4,534,162,211.83/75,418.03
  6. Step 6: Final answer
    x = 60,120.40

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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.