Home / 75,678.22-104,436.82-41,686.02

Finding the Fourth Proportional to 75,678.22, 104,436.82 and 41,686.02

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Solution

The fourth proportional to 75,678.22, 104,436.82 and 41,686.02 is: 57,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.22 : 104,436.82 = 41,686.02 : x
  2. Step 2: Convert to fraction form
    75,678.22/104,436.82 = 41,686.02/x
  3. Step 3: Cross multiply
    75,678.22x = 104,436.82 × 41,686.02
  4. Step 4: Simplify right side
    75,678.22x = 4,353,555,008.39
  5. Step 5: Solve for x
    x = 4,353,555,008.39/75,678.22
  6. Step 6: Final answer
    x = 57,527.18

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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.