Home / 111,749.36-154,216.44-61,448.24

Finding the Fourth Proportional to 111,749.36, 154,216.44 and 61,448.24

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Solution

The fourth proportional to 111,749.36, 154,216.44 and 61,448.24 is: 84,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,749.36 : 154,216.44 = 61,448.24 : x
  2. Step 2: Convert to fraction form
    111,749.36/154,216.44 = 61,448.24/x
  3. Step 3: Cross multiply
    111,749.36x = 154,216.44 × 61,448.24
  4. Step 4: Simplify right side
    111,749.36x = 9,476,328,817.07
  5. Step 5: Solve for x
    x = 9,476,328,817.07/111,749.36
  6. Step 6: Final answer
    x = 84,799.85

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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.