Home / 76,837.48-115,228.51-32,467.67

Finding the Fourth Proportional to 76,837.48, 115,228.51 and 32,467.67

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Solution

The fourth proportional to 76,837.48, 115,228.51 and 32,467.67 is: 48,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,837.48 : 115,228.51 = 32,467.67 : x
  2. Step 2: Convert to fraction form
    76,837.48/115,228.51 = 32,467.67/x
  3. Step 3: Cross multiply
    76,837.48x = 115,228.51 × 32,467.67
  4. Step 4: Simplify right side
    76,837.48x = 3,741,201,012.07
  5. Step 5: Solve for x
    x = 3,741,201,012.07/76,837.48
  6. Step 6: Final answer
    x = 48,689.79

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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.