Home / 117,074.16-161,561.07-63,358.02

Finding the Fourth Proportional to 117,074.16, 161,561.07 and 63,358.02

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Solution

The fourth proportional to 117,074.16, 161,561.07 and 63,358.02 is: 87,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,074.16 : 161,561.07 = 63,358.02 : x
  2. Step 2: Convert to fraction form
    117,074.16/161,561.07 = 63,358.02/x
  3. Step 3: Cross multiply
    117,074.16x = 161,561.07 × 63,358.02
  4. Step 4: Simplify right side
    117,074.16x = 10,236,189,504.28
  5. Step 5: Solve for x
    x = 10,236,189,504.28/117,074.16
  6. Step 6: Final answer
    x = 87,433.38

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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.