Home / 84,907.36-117,169.84-47,180.64

Finding the Fourth Proportional to 84,907.36, 117,169.84 and 47,180.64

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Solution

The fourth proportional to 84,907.36, 117,169.84 and 47,180.64 is: 65,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,907.36 : 117,169.84 = 47,180.64 : x
  2. Step 2: Convert to fraction form
    84,907.36/117,169.84 = 47,180.64/x
  3. Step 3: Cross multiply
    84,907.36x = 117,169.84 × 47,180.64
  4. Step 4: Simplify right side
    84,907.36x = 5,528,148,039.90
  5. Step 5: Solve for x
    x = 5,528,148,039.90/84,907.36
  6. Step 6: Final answer
    x = 65,108.00

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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.