Home / 124,413.12-171,685.76-67,823.36

Finding the Fourth Proportional to 124,413.12, 171,685.76 and 67,823.36

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Solution

The fourth proportional to 124,413.12, 171,685.76 and 67,823.36 is: 93,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,413.12 : 171,685.76 = 67,823.36 : x
  2. Step 2: Convert to fraction form
    124,413.12/171,685.76 = 67,823.36/x
  3. Step 3: Cross multiply
    124,413.12x = 171,685.76 × 67,823.36
  4. Step 4: Simplify right side
    124,413.12x = 11,644,305,107.35
  5. Step 5: Solve for x
    x = 11,644,305,107.35/124,413.12
  6. Step 6: Final answer
    x = 93,593.87

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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.