Home / 75,025.72-103,523.99-43,188.47

Finding the Fourth Proportional to 75,025.72, 103,523.99 and 43,188.47

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Solution

The fourth proportional to 75,025.72, 103,523.99 and 43,188.47 is: 59,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,025.72 : 103,523.99 = 43,188.47 : x
  2. Step 2: Convert to fraction form
    75,025.72/103,523.99 = 43,188.47/x
  3. Step 3: Cross multiply
    75,025.72x = 103,523.99 × 43,188.47
  4. Step 4: Simplify right side
    75,025.72x = 4,471,042,326.75
  5. Step 5: Solve for x
    x = 4,471,042,326.75/75,025.72
  6. Step 6: Final answer
    x = 59,593.46

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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.