Home / 117,228.02-161,774.43-63,514.37

Finding the Fourth Proportional to 117,228.02, 161,774.43 and 63,514.37

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Solution

The fourth proportional to 117,228.02, 161,774.43 and 63,514.37 is: 87,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,228.02 : 161,774.43 = 63,514.37 : x
  2. Step 2: Convert to fraction form
    117,228.02/161,774.43 = 63,514.37/x
  3. Step 3: Cross multiply
    117,228.02x = 161,774.43 × 63,514.37
  4. Step 4: Simplify right side
    117,228.02x = 10,275,001,003.56
  5. Step 5: Solve for x
    x = 10,275,001,003.56/117,228.02
  6. Step 6: Final answer
    x = 87,649.70

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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.