Home / 81,206.10-112,063.68-44,907.54

Finding the Fourth Proportional to 81,206.10, 112,063.68 and 44,907.54

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Solution

The fourth proportional to 81,206.10, 112,063.68 and 44,907.54 is: 61,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,206.10 : 112,063.68 = 44,907.54 : x
  2. Step 2: Convert to fraction form
    81,206.10/112,063.68 = 44,907.54/x
  3. Step 3: Cross multiply
    81,206.10x = 112,063.68 × 44,907.54
  4. Step 4: Simplify right side
    81,206.10x = 5,032,504,192.15
  5. Step 5: Solve for x
    x = 5,032,504,192.15/81,206.10
  6. Step 6: Final answer
    x = 61,972.00

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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.