Home / 70,413.47-97,172.87-38,584.42

Finding the Fourth Proportional to 70,413.47, 97,172.87 and 38,584.42

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Solution

The fourth proportional to 70,413.47, 97,172.87 and 38,584.42 is: 53,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,413.47 : 97,172.87 = 38,584.42 : x
  2. Step 2: Convert to fraction form
    70,413.47/97,172.87 = 38,584.42/x
  3. Step 3: Cross multiply
    70,413.47x = 97,172.87 × 38,584.42
  4. Step 4: Simplify right side
    70,413.47x = 3,749,358,392.83
  5. Step 5: Solve for x
    x = 3,749,358,392.83/70,413.47
  6. Step 6: Final answer
    x = 53,247.74

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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.