Home / 79,945.96-119,897.07-30,022.22

Finding the Fourth Proportional to 79,945.96, 119,897.07 and 30,022.22

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Solution

The fourth proportional to 79,945.96, 119,897.07 and 30,022.22 is: 45,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945.96 : 119,897.07 = 30,022.22 : x
  2. Step 2: Convert to fraction form
    79,945.96/119,897.07 = 30,022.22/x
  3. Step 3: Cross multiply
    79,945.96x = 119,897.07 × 30,022.22
  4. Step 4: Simplify right side
    79,945.96x = 3,599,576,212.90
  5. Step 5: Solve for x
    x = 3,599,576,212.90/79,945.96
  6. Step 6: Final answer
    x = 45,025.12

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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.