Home / 109,028.16-163,405.44-46,625.28

Finding the Fourth Proportional to 109,028.16, 163,405.44 and 46,625.28

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Solution

The fourth proportional to 109,028.16, 163,405.44 and 46,625.28 is: 69,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,028.16 : 163,405.44 = 46,625.28 : x
  2. Step 2: Convert to fraction form
    109,028.16/163,405.44 = 46,625.28/x
  3. Step 3: Cross multiply
    109,028.16x = 163,405.44 × 46,625.28
  4. Step 4: Simplify right side
    109,028.16x = 7,618,824,393.52
  5. Step 5: Solve for x
    x = 7,618,824,393.52/109,028.16
  6. Step 6: Final answer
    x = 69,879.42

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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.