Home / 109,413.78-164,148.36-30,527.97

Finding the Fourth Proportional to 109,413.78, 164,148.36 and 30,527.97

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Solution

The fourth proportional to 109,413.78, 164,148.36 and 30,527.97 is: 45,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,413.78 : 164,148.36 = 30,527.97 : x
  2. Step 2: Convert to fraction form
    109,413.78/164,148.36 = 30,527.97/x
  3. Step 3: Cross multiply
    109,413.78x = 164,148.36 × 30,527.97
  4. Step 4: Simplify right side
    109,413.78x = 5,011,116,209.63
  5. Step 5: Solve for x
    x = 5,011,116,209.63/109,413.78
  6. Step 6: Final answer
    x = 45,799.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.