Home / 117,554.48-162,274.83-79,365.74

Finding the Fourth Proportional to 117,554.48, 162,274.83 and 79,365.74

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Solution

The fourth proportional to 117,554.48, 162,274.83 and 79,365.74 is: 109,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.48 : 162,274.83 = 79,365.74 : x
  2. Step 2: Convert to fraction form
    117,554.48/162,274.83 = 79,365.74/x
  3. Step 3: Cross multiply
    117,554.48x = 162,274.83 × 79,365.74
  4. Step 4: Simplify right side
    117,554.48x = 12,879,061,163.81
  5. Step 5: Solve for x
    x = 12,879,061,163.81/117,554.48
  6. Step 6: Final answer
    x = 109,558.23

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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.