Home / 109,603.98-164,413.26-38,518.02

Finding the Fourth Proportional to 109,603.98, 164,413.26 and 38,518.02

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Solution

The fourth proportional to 109,603.98, 164,413.26 and 38,518.02 is: 57,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,603.98 : 164,413.26 = 38,518.02 : x
  2. Step 2: Convert to fraction form
    109,603.98/164,413.26 = 38,518.02/x
  3. Step 3: Cross multiply
    109,603.98x = 164,413.26 × 38,518.02
  4. Step 4: Simplify right side
    109,603.98x = 6,332,873,236.95
  5. Step 5: Solve for x
    x = 6,332,873,236.95/109,603.98
  6. Step 6: Final answer
    x = 57,779.59

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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.