Home / 92,413.39-127,530.61-49,971.92

Finding the Fourth Proportional to 92,413.39, 127,530.61 and 49,971.92

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Solution

The fourth proportional to 92,413.39, 127,530.61 and 49,971.92 is: 68,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,413.39 : 127,530.61 = 49,971.92 : x
  2. Step 2: Convert to fraction form
    92,413.39/127,530.61 = 49,971.92/x
  3. Step 3: Cross multiply
    92,413.39x = 127,530.61 × 49,971.92
  4. Step 4: Simplify right side
    92,413.39x = 6,372,949,440.47
  5. Step 5: Solve for x
    x = 6,372,949,440.47/92,413.39
  6. Step 6: Final answer
    x = 68,961.32

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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.