Home / 70,413.41-97,172.78-38,584.36

Finding the Fourth Proportional to 70,413.41, 97,172.78 and 38,584.36

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Solution

The fourth proportional to 70,413.41, 97,172.78 and 38,584.36 is: 53,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,413.41 : 97,172.78 = 38,584.36 : x
  2. Step 2: Convert to fraction form
    70,413.41/97,172.78 = 38,584.36/x
  3. Step 3: Cross multiply
    70,413.41x = 97,172.78 × 38,584.36
  4. Step 4: Simplify right side
    70,413.41x = 3,749,349,039.86
  5. Step 5: Solve for x
    x = 3,749,349,039.86/70,413.41
  6. Step 6: Final answer
    x = 53,247.66

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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.