Home / 117,589.82-162,271.23-63,873.64

Finding the Fourth Proportional to 117,589.82, 162,271.23 and 63,873.64

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Solution

The fourth proportional to 117,589.82, 162,271.23 and 63,873.64 is: 88,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.82 : 162,271.23 = 63,873.64 : x
  2. Step 2: Convert to fraction form
    117,589.82/162,271.23 = 63,873.64/x
  3. Step 3: Cross multiply
    117,589.82x = 162,271.23 × 63,873.64
  4. Step 4: Simplify right side
    117,589.82x = 10,364,853,316.02
  5. Step 5: Solve for x
    x = 10,364,853,316.02/117,589.82
  6. Step 6: Final answer
    x = 88,144.14

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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.