Home / 75,971.20-114,059.40-44,413.60

Finding the Fourth Proportional to 75,971.20, 114,059.40 and 44,413.60

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Solution

The fourth proportional to 75,971.20, 114,059.40 and 44,413.60 is: 66,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,971.20 : 114,059.40 = 44,413.60 : x
  2. Step 2: Convert to fraction form
    75,971.20/114,059.40 = 44,413.60/x
  3. Step 3: Cross multiply
    75,971.20x = 114,059.40 × 44,413.60
  4. Step 4: Simplify right side
    75,971.20x = 5,065,788,567.84
  5. Step 5: Solve for x
    x = 5,065,788,567.84/75,971.20
  6. Step 6: Final answer
    x = 66,680.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.