Home / 109,413.50-164,120.30-34,541.24

Finding the Fourth Proportional to 109,413.50, 164,120.30 and 34,541.24

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Solution

The fourth proportional to 109,413.50, 164,120.30 and 34,541.24 is: 51,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,413.50 : 164,120.30 = 34,541.24 : x
  2. Step 2: Convert to fraction form
    109,413.50/164,120.30 = 34,541.24/x
  3. Step 3: Cross multiply
    109,413.50x = 164,120.30 × 34,541.24
  4. Step 4: Simplify right side
    109,413.50x = 5,668,918,671.17
  5. Step 5: Solve for x
    x = 5,668,918,671.17/109,413.50
  6. Step 6: Final answer
    x = 51,811.88

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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.