Home / 103,921.52-143,413.22-58,601.68

Finding the Fourth Proportional to 103,921.52, 143,413.22 and 58,601.68

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Solution

The fourth proportional to 103,921.52, 143,413.22 and 58,601.68 is: 80,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,921.52 : 143,413.22 = 58,601.68 : x
  2. Step 2: Convert to fraction form
    103,921.52/143,413.22 = 58,601.68/x
  3. Step 3: Cross multiply
    103,921.52x = 143,413.22 × 58,601.68
  4. Step 4: Simplify right side
    103,921.52x = 8,404,255,626.21
  5. Step 5: Solve for x
    x = 8,404,255,626.21/103,921.52
  6. Step 6: Final answer
    x = 80,871.18

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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.