Home / 77,391.68-116,087.54-51,090.27

Finding the Fourth Proportional to 77,391.68, 116,087.54 and 51,090.27

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Solution

The fourth proportional to 77,391.68, 116,087.54 and 51,090.27 is: 76,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,391.68 : 116,087.54 = 51,090.27 : x
  2. Step 2: Convert to fraction form
    77,391.68/116,087.54 = 51,090.27/x
  3. Step 3: Cross multiply
    77,391.68x = 116,087.54 × 51,090.27
  4. Step 4: Simplify right side
    77,391.68x = 5,930,943,762.24
  5. Step 5: Solve for x
    x = 5,930,943,762.24/77,391.68
  6. Step 6: Final answer
    x = 76,635.42

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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.