Home / 117,274.86-161,838.66-63,559.30

Finding the Fourth Proportional to 117,274.86, 161,838.66 and 63,559.30

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Solution

The fourth proportional to 117,274.86, 161,838.66 and 63,559.30 is: 87,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,274.86 : 161,838.66 = 63,559.30 : x
  2. Step 2: Convert to fraction form
    117,274.86/161,838.66 = 63,559.30/x
  3. Step 3: Cross multiply
    117,274.86x = 161,838.66 × 63,559.30
  4. Step 4: Simplify right side
    117,274.86x = 10,286,351,942.54
  5. Step 5: Solve for x
    x = 10,286,351,942.54/117,274.86
  6. Step 6: Final answer
    x = 87,711.48

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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.