Home / 80,443.26-111,027.85-46,457.28

Finding the Fourth Proportional to 80,443.26, 111,027.85 and 46,457.28

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Solution

The fourth proportional to 80,443.26, 111,027.85 and 46,457.28 is: 64,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,443.26 : 111,027.85 = 46,457.28 : x
  2. Step 2: Convert to fraction form
    80,443.26/111,027.85 = 46,457.28/x
  3. Step 3: Cross multiply
    80,443.26x = 111,027.85 × 46,457.28
  4. Step 4: Simplify right side
    80,443.26x = 5,158,051,799.10
  5. Step 5: Solve for x
    x = 5,158,051,799.10/80,443.26
  6. Step 6: Final answer
    x = 64,120.37

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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.