Home / 57,873.12-79,867.20-33,999.60

Finding the Fourth Proportional to 57,873.12, 79,867.20 and 33,999.60

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Solution

The fourth proportional to 57,873.12, 79,867.20 and 33,999.60 is: 46,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,873.12 : 79,867.20 = 33,999.60 : x
  2. Step 2: Convert to fraction form
    57,873.12/79,867.20 = 33,999.60/x
  3. Step 3: Cross multiply
    57,873.12x = 79,867.20 × 33,999.60
  4. Step 4: Simplify right side
    57,873.12x = 2,715,452,853.12
  5. Step 5: Solve for x
    x = 2,715,452,853.12/57,873.12
  6. Step 6: Final answer
    x = 46,920.80

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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.