Home / 75,090-112,591.26-32,968.38

Finding the Fourth Proportional to 75,090, 112,591.26 and 32,968.38

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Solution

The fourth proportional to 75,090, 112,591.26 and 32,968.38 is: 49,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090 : 112,591.26 = 32,968.38 : x
  2. Step 2: Convert to fraction form
    75,090/112,591.26 = 32,968.38/x
  3. Step 3: Cross multiply
    75,090x = 112,591.26 × 32,968.38
  4. Step 4: Simplify right side
    75,090x = 3,711,951,444.36
  5. Step 5: Solve for x
    x = 3,711,951,444.36/75,090
  6. Step 6: Final answer
    x = 49,433.37

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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.