Home / 117,229.02-161,775.81-63,515.37

Finding the Fourth Proportional to 117,229.02, 161,775.81 and 63,515.37

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Solution

The fourth proportional to 117,229.02, 161,775.81 and 63,515.37 is: 87,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,229.02 : 161,775.81 = 63,515.37 : x
  2. Step 2: Convert to fraction form
    117,229.02/161,775.81 = 63,515.37/x
  3. Step 3: Cross multiply
    117,229.02x = 161,775.81 × 63,515.37
  4. Step 4: Simplify right side
    117,229.02x = 10,275,250,429.20
  5. Step 5: Solve for x
    x = 10,275,250,429.20/117,229.02
  6. Step 6: Final answer
    x = 87,651.08

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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.