Home / 98,413.57-135,763.95-58,100.33

Finding the Fourth Proportional to 98,413.57, 135,763.95 and 58,100.33

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Solution

The fourth proportional to 98,413.57, 135,763.95 and 58,100.33 is: 80,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413.57 : 135,763.95 = 58,100.33 : x
  2. Step 2: Convert to fraction form
    98,413.57/135,763.95 = 58,100.33/x
  3. Step 3: Cross multiply
    98,413.57x = 135,763.95 × 58,100.33
  4. Step 4: Simplify right side
    98,413.57x = 7,887,930,345.27
  5. Step 5: Solve for x
    x = 7,887,930,345.27/98,413.57
  6. Step 6: Final answer
    x = 80,150.84

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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.