Home / 67,375.40-101,139.64-34,133.00

Finding the Fourth Proportional to 67,375.40, 101,139.64 and 34,133.00

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Solution

The fourth proportional to 67,375.40, 101,139.64 and 34,133.00 is: 51,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,375.40 : 101,139.64 = 34,133.00 : x
  2. Step 2: Convert to fraction form
    67,375.40/101,139.64 = 34,133.00/x
  3. Step 3: Cross multiply
    67,375.40x = 101,139.64 × 34,133.00
  4. Step 4: Simplify right side
    67,375.40x = 3,452,198,741.09
  5. Step 5: Solve for x
    x = 3,452,198,741.09/67,375.40
  6. Step 6: Final answer
    x = 51,238.27

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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.