Home / 117,181.02-161,709.76-63,466.04

Finding the Fourth Proportional to 117,181.02, 161,709.76 and 63,466.04

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Solution

The fourth proportional to 117,181.02, 161,709.76 and 63,466.04 is: 87,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,181.02 : 161,709.76 = 63,466.04 : x
  2. Step 2: Convert to fraction form
    117,181.02/161,709.76 = 63,466.04/x
  3. Step 3: Cross multiply
    117,181.02x = 161,709.76 × 63,466.04
  4. Step 4: Simplify right side
    117,181.02x = 10,263,078,096.55
  5. Step 5: Solve for x
    x = 10,263,078,096.55/117,181.02
  6. Step 6: Final answer
    x = 87,583.11

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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.