Home / 89,459.44-134,181.32-30,293.76

Finding the Fourth Proportional to 89,459.44, 134,181.32 and 30,293.76

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Solution

The fourth proportional to 89,459.44, 134,181.32 and 30,293.76 is: 45,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,459.44 : 134,181.32 = 30,293.76 : x
  2. Step 2: Convert to fraction form
    89,459.44/134,181.32 = 30,293.76/x
  3. Step 3: Cross multiply
    89,459.44x = 134,181.32 × 30,293.76
  4. Step 4: Simplify right side
    89,459.44x = 4,064,856,704.56
  5. Step 5: Solve for x
    x = 4,064,856,704.56/89,459.44
  6. Step 6: Final answer
    x = 45,437.99

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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.