Home / 117,242.38-161,794.63-63,527.39

Finding the Fourth Proportional to 117,242.38, 161,794.63 and 63,527.39

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Solution

The fourth proportional to 117,242.38, 161,794.63 and 63,527.39 is: 87,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,242.38 : 161,794.63 = 63,527.39 : x
  2. Step 2: Convert to fraction form
    117,242.38/161,794.63 = 63,527.39/x
  3. Step 3: Cross multiply
    117,242.38x = 161,794.63 × 63,527.39
  4. Step 4: Simplify right side
    117,242.38x = 10,278,390,437.08
  5. Step 5: Solve for x
    x = 10,278,390,437.08/117,242.38
  6. Step 6: Final answer
    x = 87,667.88

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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.