Home / 117,466.49-162,103.69-66,478.30

Finding the Fourth Proportional to 117,466.49, 162,103.69 and 66,478.30

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Solution

The fourth proportional to 117,466.49, 162,103.69 and 66,478.30 is: 91,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,466.49 : 162,103.69 = 66,478.30 : x
  2. Step 2: Convert to fraction form
    117,466.49/162,103.69 = 66,478.30/x
  3. Step 3: Cross multiply
    117,466.49x = 162,103.69 × 66,478.30
  4. Step 4: Simplify right side
    117,466.49x = 10,776,377,090.60
  5. Step 5: Solve for x
    x = 10,776,377,090.60/117,466.49
  6. Step 6: Final answer
    x = 91,740.01

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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.