Home / 117,090.02-161,584.22-63,375.03

Finding the Fourth Proportional to 117,090.02, 161,584.22 and 63,375.03

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Solution

The fourth proportional to 117,090.02, 161,584.22 and 63,375.03 is: 87,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,090.02 : 161,584.22 = 63,375.03 : x
  2. Step 2: Convert to fraction form
    117,090.02/161,584.22 = 63,375.03/x
  3. Step 3: Cross multiply
    117,090.02x = 161,584.22 × 63,375.03
  4. Step 4: Simplify right side
    117,090.02x = 10,240,404,948.46
  5. Step 5: Solve for x
    x = 10,240,404,948.46/117,090.02
  6. Step 6: Final answer
    x = 87,457.54

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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.