Home / 46,899.76-64,728.13-28,761.33

Finding the Fourth Proportional to 46,899.76, 64,728.13 and 28,761.33

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Solution

The fourth proportional to 46,899.76, 64,728.13 and 28,761.33 is: 39,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,899.76 : 64,728.13 = 28,761.33 : x
  2. Step 2: Convert to fraction form
    46,899.76/64,728.13 = 28,761.33/x
  3. Step 3: Cross multiply
    46,899.76x = 64,728.13 × 28,761.33
  4. Step 4: Simplify right side
    46,899.76x = 1,861,667,107.21
  5. Step 5: Solve for x
    x = 1,861,667,107.21/46,899.76
  6. Step 6: Final answer
    x = 39,694.60

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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.