Home / 84,699.57-116,890.25-51,176.37

Finding the Fourth Proportional to 84,699.57, 116,890.25 and 51,176.37

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Solution

The fourth proportional to 84,699.57, 116,890.25 and 51,176.37 is: 70,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,699.57 : 116,890.25 = 51,176.37 : x
  2. Step 2: Convert to fraction form
    84,699.57/116,890.25 = 51,176.37/x
  3. Step 3: Cross multiply
    84,699.57x = 116,890.25 × 51,176.37
  4. Step 4: Simplify right side
    84,699.57x = 5,982,018,427.51
  5. Step 5: Solve for x
    x = 5,982,018,427.51/84,699.57
  6. Step 6: Final answer
    x = 70,626.31

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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.