Home / 57,615.12-79,505.52-32,120.64

Finding the Fourth Proportional to 57,615.12, 79,505.52 and 32,120.64

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Solution

The fourth proportional to 57,615.12, 79,505.52 and 32,120.64 is: 44,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615.12 : 79,505.52 = 32,120.64 : x
  2. Step 2: Convert to fraction form
    57,615.12/79,505.52 = 32,120.64/x
  3. Step 3: Cross multiply
    57,615.12x = 79,505.52 × 32,120.64
  4. Step 4: Simplify right side
    57,615.12x = 2,553,768,185.93
  5. Step 5: Solve for x
    x = 2,553,768,185.93/57,615.12
  6. Step 6: Final answer
    x = 44,324.62

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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.