Home / 85,075.14-117,399.64-46,833.90

Finding the Fourth Proportional to 85,075.14, 117,399.64 and 46,833.90

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Solution

The fourth proportional to 85,075.14, 117,399.64 and 46,833.90 is: 64,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.14 : 117,399.64 = 46,833.90 : x
  2. Step 2: Convert to fraction form
    85,075.14/117,399.64 = 46,833.90/x
  3. Step 3: Cross multiply
    85,075.14x = 117,399.64 × 46,833.90
  4. Step 4: Simplify right side
    85,075.14x = 5,498,282,999.80
  5. Step 5: Solve for x
    x = 5,498,282,999.80/85,075.14
  6. Step 6: Final answer
    x = 64,628.55

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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.