Home / 75,758.45-104,547.40-41,768.28

Finding the Fourth Proportional to 75,758.45, 104,547.40 and 41,768.28

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Solution

The fourth proportional to 75,758.45, 104,547.40 and 41,768.28 is: 57,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,758.45 : 104,547.40 = 41,768.28 : x
  2. Step 2: Convert to fraction form
    75,758.45/104,547.40 = 41,768.28/x
  3. Step 3: Cross multiply
    75,758.45x = 104,547.40 × 41,768.28
  4. Step 4: Simplify right side
    75,758.45x = 4,366,765,339.51
  5. Step 5: Solve for x
    x = 4,366,765,339.51/75,758.45
  6. Step 6: Final answer
    x = 57,640.64

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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.