Home / 51,511.96-77,137.26-43,170.04

Finding the Fourth Proportional to 51,511.96, 77,137.26 and 43,170.04

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Solution

The fourth proportional to 51,511.96, 77,137.26 and 43,170.04 is: 64,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,511.96 : 77,137.26 = 43,170.04 : x
  2. Step 2: Convert to fraction form
    51,511.96/77,137.26 = 43,170.04/x
  3. Step 3: Cross multiply
    51,511.96x = 77,137.26 × 43,170.04
  4. Step 4: Simplify right side
    51,511.96x = 3,330,018,599.69
  5. Step 5: Solve for x
    x = 3,330,018,599.69/51,511.96
  6. Step 6: Final answer
    x = 64,645.54

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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.