Home / 81,393.45-112,329.60-46,949.37

Finding the Fourth Proportional to 81,393.45, 112,329.60 and 46,949.37

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Solution

The fourth proportional to 81,393.45, 112,329.60 and 46,949.37 is: 64,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,393.45 : 112,329.60 = 46,949.37 : x
  2. Step 2: Convert to fraction form
    81,393.45/112,329.60 = 46,949.37/x
  3. Step 3: Cross multiply
    81,393.45x = 112,329.60 × 46,949.37
  4. Step 4: Simplify right side
    81,393.45x = 5,273,803,952.35
  5. Step 5: Solve for x
    x = 5,273,803,952.35/81,393.45
  6. Step 6: Final answer
    x = 64,793.96

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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.