Home / 75,845.56-113,719.74-31,502.92

Finding the Fourth Proportional to 75,845.56, 113,719.74 and 31,502.92

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Solution

The fourth proportional to 75,845.56, 113,719.74 and 31,502.92 is: 47,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,845.56 : 113,719.74 = 31,502.92 : x
  2. Step 2: Convert to fraction form
    75,845.56/113,719.74 = 31,502.92/x
  3. Step 3: Cross multiply
    75,845.56x = 113,719.74 × 31,502.92
  4. Step 4: Simplify right side
    75,845.56x = 3,582,503,871.64
  5. Step 5: Solve for x
    x = 3,582,503,871.64/75,845.56
  6. Step 6: Final answer
    x = 47,234.19

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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.