Home / 81,863.18-112,977.74-46,051.05

Finding the Fourth Proportional to 81,863.18, 112,977.74 and 46,051.05

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Solution

The fourth proportional to 81,863.18, 112,977.74 and 46,051.05 is: 63,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,863.18 : 112,977.74 = 46,051.05 : x
  2. Step 2: Convert to fraction form
    81,863.18/112,977.74 = 46,051.05/x
  3. Step 3: Cross multiply
    81,863.18x = 112,977.74 × 46,051.05
  4. Step 4: Simplify right side
    81,863.18x = 5,202,743,668.75
  5. Step 5: Solve for x
    x = 5,202,743,668.75/81,863.18
  6. Step 6: Final answer
    x = 63,554.14

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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.