Home / 83,991.15-115,907.79-46,265.40

Finding the Fourth Proportional to 83,991.15, 115,907.79 and 46,265.40

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Solution

The fourth proportional to 83,991.15, 115,907.79 and 46,265.40 is: 63,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,991.15 : 115,907.79 = 46,265.40 : x
  2. Step 2: Convert to fraction form
    83,991.15/115,907.79 = 46,265.40/x
  3. Step 3: Cross multiply
    83,991.15x = 115,907.79 × 46,265.40
  4. Step 4: Simplify right side
    83,991.15x = 5,362,519,456.60
  5. Step 5: Solve for x
    x = 5,362,519,456.60/83,991.15
  6. Step 6: Final answer
    x = 63,846.25

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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.