Home / 124,212.72-171,413.44-67,624.08

Finding the Fourth Proportional to 124,212.72, 171,413.44 and 67,624.08

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Solution

The fourth proportional to 124,212.72, 171,413.44 and 67,624.08 is: 93,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.72 : 171,413.44 = 67,624.08 : x
  2. Step 2: Convert to fraction form
    124,212.72/171,413.44 = 67,624.08/x
  3. Step 3: Cross multiply
    124,212.72x = 171,413.44 × 67,624.08
  4. Step 4: Simplify right side
    124,212.72x = 11,591,676,179.64
  5. Step 5: Solve for x
    x = 11,591,676,179.64/124,212.72
  6. Step 6: Final answer
    x = 93,321.17

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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.