Home / 57,240.78-78,992.23-32,090.28

Finding the Fourth Proportional to 57,240.78, 78,992.23 and 32,090.28

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Solution

The fourth proportional to 57,240.78, 78,992.23 and 32,090.28 is: 44,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.78 : 78,992.23 = 32,090.28 : x
  2. Step 2: Convert to fraction form
    57,240.78/78,992.23 = 32,090.28/x
  3. Step 3: Cross multiply
    57,240.78x = 78,992.23 × 32,090.28
  4. Step 4: Simplify right side
    57,240.78x = 2,534,882,778.52
  5. Step 5: Solve for x
    x = 2,534,882,778.52/57,240.78
  6. Step 6: Final answer
    x = 44,284.56

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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.