Home / 84,933.80-117,210.18-49,125.80

Finding the Fourth Proportional to 84,933.80, 117,210.18 and 49,125.80

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Solution

The fourth proportional to 84,933.80, 117,210.18 and 49,125.80 is: 67,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,933.80 : 117,210.18 = 49,125.80 : x
  2. Step 2: Convert to fraction form
    84,933.80/117,210.18 = 49,125.80/x
  3. Step 3: Cross multiply
    84,933.80x = 117,210.18 × 49,125.80
  4. Step 4: Simplify right side
    84,933.80x = 5,758,043,860.64
  5. Step 5: Solve for x
    x = 5,758,043,860.64/84,933.80
  6. Step 6: Final answer
    x = 67,794.49

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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.