Home / 92,413.35-127,530.27-49,971.78

Finding the Fourth Proportional to 92,413.35, 127,530.27 and 49,971.78

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Solution

The fourth proportional to 92,413.35, 127,530.27 and 49,971.78 is: 68,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,413.35 : 127,530.27 = 49,971.78 : x
  2. Step 2: Convert to fraction form
    92,413.35/127,530.27 = 49,971.78/x
  3. Step 3: Cross multiply
    92,413.35x = 127,530.27 × 49,971.78
  4. Step 4: Simplify right side
    92,413.35x = 6,372,914,595.78
  5. Step 5: Solve for x
    x = 6,372,914,595.78/92,413.35
  6. Step 6: Final answer
    x = 68,960.97

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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.