Home / 124,934.67-172,413.93-68,346.05

Finding the Fourth Proportional to 124,934.67, 172,413.93 and 68,346.05

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Solution

The fourth proportional to 124,934.67, 172,413.93 and 68,346.05 is: 94,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,934.67 : 172,413.93 = 68,346.05 : x
  2. Step 2: Convert to fraction form
    124,934.67/172,413.93 = 68,346.05/x
  3. Step 3: Cross multiply
    124,934.67x = 172,413.93 × 68,346.05
  4. Step 4: Simplify right side
    124,934.67x = 11,783,810,864.96
  5. Step 5: Solve for x
    x = 11,783,810,864.96/124,934.67
  6. Step 6: Final answer
    x = 94,319.78

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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.