Home / 84,679.37-116,761.18-69,317.06

Finding the Fourth Proportional to 84,679.37, 116,761.18 and 69,317.06

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Solution

The fourth proportional to 84,679.37, 116,761.18 and 69,317.06 is: 95,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,679.37 : 116,761.18 = 69,317.06 : x
  2. Step 2: Convert to fraction form
    84,679.37/116,761.18 = 69,317.06/x
  3. Step 3: Cross multiply
    84,679.37x = 116,761.18 × 69,317.06
  4. Step 4: Simplify right side
    84,679.37x = 8,093,540,789.34
  5. Step 5: Solve for x
    x = 8,093,540,789.34/84,679.37
  6. Step 6: Final answer
    x = 95,578.66

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1.5x scale

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.