Home / 75,678.14-104,435.82-41,686.52

Finding the Fourth Proportional to 75,678.14, 104,435.82 and 41,686.52

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Solution

The fourth proportional to 75,678.14, 104,435.82 and 41,686.52 is: 57,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.14 : 104,435.82 = 41,686.52 : x
  2. Step 2: Convert to fraction form
    75,678.14/104,435.82 = 41,686.52/x
  3. Step 3: Cross multiply
    75,678.14x = 104,435.82 × 41,686.52
  4. Step 4: Simplify right side
    75,678.14x = 4,353,565,376.97
  5. Step 5: Solve for x
    x = 4,353,565,376.97/75,678.14
  6. Step 6: Final answer
    x = 57,527.39

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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.