Home / 101,173.19-139,674.92-60,896.81

Finding the Fourth Proportional to 101,173.19, 139,674.92 and 60,896.81

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Solution

The fourth proportional to 101,173.19, 139,674.92 and 60,896.81 is: 84,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,173.19 : 139,674.92 = 60,896.81 : x
  2. Step 2: Convert to fraction form
    101,173.19/139,674.92 = 60,896.81/x
  3. Step 3: Cross multiply
    101,173.19x = 139,674.92 × 60,896.81
  4. Step 4: Simplify right side
    101,173.19x = 8,505,757,109.71
  5. Step 5: Solve for x
    x = 8,505,757,109.71/101,173.19
  6. Step 6: Final answer
    x = 84,071.26

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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.