Home / 90,413.77-124,769.07-52,170.32

Finding the Fourth Proportional to 90,413.77, 124,769.07 and 52,170.32

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Solution

The fourth proportional to 90,413.77, 124,769.07 and 52,170.32 is: 71,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,413.77 : 124,769.07 = 52,170.32 : x
  2. Step 2: Convert to fraction form
    90,413.77/124,769.07 = 52,170.32/x
  3. Step 3: Cross multiply
    90,413.77x = 124,769.07 × 52,170.32
  4. Step 4: Simplify right side
    90,413.77x = 6,509,241,684.16
  5. Step 5: Solve for x
    x = 6,509,241,684.16/90,413.77
  6. Step 6: Final answer
    x = 71,993.92

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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.