Home / 46,900-64,723.66-25,679.44

Finding the Fourth Proportional to 46,900, 64,723.66 and 25,679.44

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Solution

The fourth proportional to 46,900, 64,723.66 and 25,679.44 is: 35,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,900 : 64,723.66 = 25,679.44 : x
  2. Step 2: Convert to fraction form
    46,900/64,723.66 = 25,679.44/x
  3. Step 3: Cross multiply
    46,900x = 64,723.66 × 25,679.44
  4. Step 4: Simplify right side
    46,900x = 1,662,067,343.55
  5. Step 5: Solve for x
    x = 1,662,067,343.55/46,900
  6. Step 6: Final answer
    x = 35,438.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.