Home / 76,216.68-114,325.07-31,819.23

Finding the Fourth Proportional to 76,216.68, 114,325.07 and 31,819.23

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Solution

The fourth proportional to 76,216.68, 114,325.07 and 31,819.23 is: 47,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,216.68 : 114,325.07 = 31,819.23 : x
  2. Step 2: Convert to fraction form
    76,216.68/114,325.07 = 31,819.23/x
  3. Step 3: Cross multiply
    76,216.68x = 114,325.07 × 31,819.23
  4. Step 4: Simplify right side
    76,216.68x = 3,637,735,538.00
  5. Step 5: Solve for x
    x = 3,637,735,538.00/76,216.68
  6. Step 6: Final answer
    x = 47,728.86

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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.