Home / 117,469.24-162,114.08-66,484.60

Finding the Fourth Proportional to 117,469.24, 162,114.08 and 66,484.60

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Solution

The fourth proportional to 117,469.24, 162,114.08 and 66,484.60 is: 91,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,469.24 : 162,114.08 = 66,484.60 : x
  2. Step 2: Convert to fraction form
    117,469.24/162,114.08 = 66,484.60/x
  3. Step 3: Cross multiply
    117,469.24x = 162,114.08 × 66,484.60
  4. Step 4: Simplify right side
    117,469.24x = 10,778,089,763.17
  5. Step 5: Solve for x
    x = 10,778,089,763.17/117,469.24
  6. Step 6: Final answer
    x = 91,752.44

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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.