Home / 67,421.36-101,146.44-25,868

Finding the Fourth Proportional to 67,421.36, 101,146.44 and 25,868

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Solution

The fourth proportional to 67,421.36, 101,146.44 and 25,868 is: 38,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.36 : 101,146.44 = 25,868 : x
  2. Step 2: Convert to fraction form
    67,421.36/101,146.44 = 25,868/x
  3. Step 3: Cross multiply
    67,421.36x = 101,146.44 × 25,868
  4. Step 4: Simplify right side
    67,421.36x = 2,616,456,109.92
  5. Step 5: Solve for x
    x = 2,616,456,109.92/67,421.36
  6. Step 6: Final answer
    x = 38,807.52

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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.