Home / 107,923.20-161,884.80-60,489.60

Finding the Fourth Proportional to 107,923.20, 161,884.80 and 60,489.60

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Solution

The fourth proportional to 107,923.20, 161,884.80 and 60,489.60 is: 90,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,923.20 : 161,884.80 = 60,489.60 : x
  2. Step 2: Convert to fraction form
    107,923.20/161,884.80 = 60,489.60/x
  3. Step 3: Cross multiply
    107,923.20x = 161,884.80 × 60,489.60
  4. Step 4: Simplify right side
    107,923.20x = 9,792,346,798.08
  5. Step 5: Solve for x
    x = 9,792,346,798.08/107,923.20
  6. Step 6: Final answer
    x = 90,734.40

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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.