Home / 74,126.99-111,190.70-17,966.87

Finding the Fourth Proportional to 74,126.99, 111,190.70 and 17,966.87

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Solution

The fourth proportional to 74,126.99, 111,190.70 and 17,966.87 is: 26,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.99 : 111,190.70 = 17,966.87 : x
  2. Step 2: Convert to fraction form
    74,126.99/111,190.70 = 17,966.87/x
  3. Step 3: Cross multiply
    74,126.99x = 111,190.70 × 17,966.87
  4. Step 4: Simplify right side
    74,126.99x = 1,997,749,175.00
  5. Step 5: Solve for x
    x = 1,997,749,175.00/74,126.99
  6. Step 6: Final answer
    x = 26,950.36

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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.