Home / 82,907.08-114,379.29-51,020.62

Finding the Fourth Proportional to 82,907.08, 114,379.29 and 51,020.62

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Solution

The fourth proportional to 82,907.08, 114,379.29 and 51,020.62 is: 70,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,907.08 : 114,379.29 = 51,020.62 : x
  2. Step 2: Convert to fraction form
    82,907.08/114,379.29 = 51,020.62/x
  3. Step 3: Cross multiply
    82,907.08x = 114,379.29 × 51,020.62
  4. Step 4: Simplify right side
    82,907.08x = 5,835,702,005.01
  5. Step 5: Solve for x
    x = 5,835,702,005.01/82,907.08
  6. Step 6: Final answer
    x = 70,388.47

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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.