Home / 84,895.25-117,149.78-46,653.98

Finding the Fourth Proportional to 84,895.25, 117,149.78 and 46,653.98

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Solution

The fourth proportional to 84,895.25, 117,149.78 and 46,653.98 is: 64,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.25 : 117,149.78 = 46,653.98 : x
  2. Step 2: Convert to fraction form
    84,895.25/117,149.78 = 46,653.98/x
  3. Step 3: Cross multiply
    84,895.25x = 117,149.78 × 46,653.98
  4. Step 4: Simplify right side
    84,895.25x = 5,465,503,493.12
  5. Step 5: Solve for x
    x = 5,465,503,493.12/84,895.25
  6. Step 6: Final answer
    x = 64,379.38

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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.