Home / 77,699.24-116,573.36-27,778.24

Finding the Fourth Proportional to 77,699.24, 116,573.36 and 27,778.24

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Solution

The fourth proportional to 77,699.24, 116,573.36 and 27,778.24 is: 41,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,699.24 : 116,573.36 = 27,778.24 : x
  2. Step 2: Convert to fraction form
    77,699.24/116,573.36 = 27,778.24/x
  3. Step 3: Cross multiply
    77,699.24x = 116,573.36 × 27,778.24
  4. Step 4: Simplify right side
    77,699.24x = 3,238,202,771.69
  5. Step 5: Solve for x
    x = 3,238,202,771.69/77,699.24
  6. Step 6: Final answer
    x = 41,676.12

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1.5x scale

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.