Home / 76,143.77-114,239.03-34,059.25

Finding the Fourth Proportional to 76,143.77, 114,239.03 and 34,059.25

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Solution

The fourth proportional to 76,143.77, 114,239.03 and 34,059.25 is: 51,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,143.77 : 114,239.03 = 34,059.25 : x
  2. Step 2: Convert to fraction form
    76,143.77/114,239.03 = 34,059.25/x
  3. Step 3: Cross multiply
    76,143.77x = 114,239.03 × 34,059.25
  4. Step 4: Simplify right side
    76,143.77x = 3,890,895,682.53
  5. Step 5: Solve for x
    x = 3,890,895,682.53/76,143.77
  6. Step 6: Final answer
    x = 51,099.33

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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.