Home / 117,691.02-162,427.22-69,943.96

Finding the Fourth Proportional to 117,691.02, 162,427.22 and 69,943.96

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Solution

The fourth proportional to 117,691.02, 162,427.22 and 69,943.96 is: 96,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,691.02 : 162,427.22 = 69,943.96 : x
  2. Step 2: Convert to fraction form
    117,691.02/162,427.22 = 69,943.96/x
  3. Step 3: Cross multiply
    117,691.02x = 162,427.22 × 69,943.96
  4. Step 4: Simplify right side
    117,691.02x = 11,360,802,978.59
  5. Step 5: Solve for x
    x = 11,360,802,978.59/117,691.02
  6. Step 6: Final answer
    x = 96,530.75

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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.