Home / 109,413.08-150,998.34-61,670.92

Finding the Fourth Proportional to 109,413.08, 150,998.34 and 61,670.92

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Solution

The fourth proportional to 109,413.08, 150,998.34 and 61,670.92 is: 85,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,413.08 : 150,998.34 = 61,670.92 : x
  2. Step 2: Convert to fraction form
    109,413.08/150,998.34 = 61,670.92/x
  3. Step 3: Cross multiply
    109,413.08x = 150,998.34 × 61,670.92
  4. Step 4: Simplify right side
    109,413.08x = 9,312,206,546.27
  5. Step 5: Solve for x
    x = 9,312,206,546.27/109,413.08
  6. Step 6: Final answer
    x = 85,110.54

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1.5x scale

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.