Home / 82,065.19-122,974.62-63,317.11

Finding the Fourth Proportional to 82,065.19, 122,974.62 and 63,317.11

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Solution

The fourth proportional to 82,065.19, 122,974.62 and 63,317.11 is: 94,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,065.19 : 122,974.62 = 63,317.11 : x
  2. Step 2: Convert to fraction form
    82,065.19/122,974.62 = 63,317.11/x
  3. Step 3: Cross multiply
    82,065.19x = 122,974.62 × 63,317.11
  4. Step 4: Simplify right side
    82,065.19x = 7,786,397,541.75
  5. Step 5: Solve for x
    x = 7,786,397,541.75/82,065.19
  6. Step 6: Final answer
    x = 94,880.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.