Home / 80,448.09-111,009.47-44,629.17

Finding the Fourth Proportional to 80,448.09, 111,009.47 and 44,629.17

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Solution

The fourth proportional to 80,448.09, 111,009.47 and 44,629.17 is: 61,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448.09 : 111,009.47 = 44,629.17 : x
  2. Step 2: Convert to fraction form
    80,448.09/111,009.47 = 44,629.17/x
  3. Step 3: Cross multiply
    80,448.09x = 111,009.47 × 44,629.17
  4. Step 4: Simplify right side
    80,448.09x = 4,954,260,285.09
  5. Step 5: Solve for x
    x = 4,954,260,285.09/80,448.09
  6. Step 6: Final answer
    x = 61,583.32

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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.