Home / 117,110.10-161,608.37-66,122.02

Finding the Fourth Proportional to 117,110.10, 161,608.37 and 66,122.02

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Solution

The fourth proportional to 117,110.10, 161,608.37 and 66,122.02 is: 91,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,110.10 : 161,608.37 = 66,122.02 : x
  2. Step 2: Convert to fraction form
    117,110.10/161,608.37 = 66,122.02/x
  3. Step 3: Cross multiply
    117,110.10x = 161,608.37 × 66,122.02
  4. Step 4: Simplify right side
    117,110.10x = 10,685,871,744.71
  5. Step 5: Solve for x
    x = 10,685,871,744.71/117,110.10
  6. Step 6: Final answer
    x = 91,246.37

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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.