Home / 86,075.17-118,786.62-47,836.33

Finding the Fourth Proportional to 86,075.17, 118,786.62 and 47,836.33

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Solution

The fourth proportional to 86,075.17, 118,786.62 and 47,836.33 is: 66,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075.17 : 118,786.62 = 47,836.33 : x
  2. Step 2: Convert to fraction form
    86,075.17/118,786.62 = 47,836.33/x
  3. Step 3: Cross multiply
    86,075.17x = 118,786.62 × 47,836.33
  4. Step 4: Simplify right side
    86,075.17x = 5,682,315,953.90
  5. Step 5: Solve for x
    x = 5,682,315,953.90/86,075.17
  6. Step 6: Final answer
    x = 66,015.74

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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.