Home / 82,442.75-113,771-46,631.99

Finding the Fourth Proportional to 82,442.75, 113,771 and 46,631.99

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Solution

The fourth proportional to 82,442.75, 113,771 and 46,631.99 is: 64,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,442.75 : 113,771 = 46,631.99 : x
  2. Step 2: Convert to fraction form
    82,442.75/113,771 = 46,631.99/x
  3. Step 3: Cross multiply
    82,442.75x = 113,771 × 46,631.99
  4. Step 4: Simplify right side
    82,442.75x = 5,305,368,134.29
  5. Step 5: Solve for x
    x = 5,305,368,134.29/82,442.75
  6. Step 6: Final answer
    x = 64,352.15

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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.