Home / 77,321.16-116,009.38-47,704.52

Finding the Fourth Proportional to 77,321.16, 116,009.38 and 47,704.52

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Solution

The fourth proportional to 77,321.16, 116,009.38 and 47,704.52 is: 71,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,321.16 : 116,009.38 = 47,704.52 : x
  2. Step 2: Convert to fraction form
    77,321.16/116,009.38 = 47,704.52/x
  3. Step 3: Cross multiply
    77,321.16x = 116,009.38 × 47,704.52
  4. Step 4: Simplify right side
    77,321.16x = 5,534,171,788.40
  5. Step 5: Solve for x
    x = 5,534,171,788.40/77,321.16
  6. Step 6: Final answer
    x = 71,573.83

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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.