Home / 81,945.45-113,095.49-46,142.44

Finding the Fourth Proportional to 81,945.45, 113,095.49 and 46,142.44

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Solution

The fourth proportional to 81,945.45, 113,095.49 and 46,142.44 is: 63,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,945.45 : 113,095.49 = 46,142.44 : x
  2. Step 2: Convert to fraction form
    81,945.45/113,095.49 = 46,142.44/x
  3. Step 3: Cross multiply
    81,945.45x = 113,095.49 × 46,142.44
  4. Step 4: Simplify right side
    81,945.45x = 5,218,501,861.60
  5. Step 5: Solve for x
    x = 5,218,501,861.60/81,945.45
  6. Step 6: Final answer
    x = 63,682.63

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1.5x scale

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.