Home / 117,046.64-161,523.21-63,330.47

Finding the Fourth Proportional to 117,046.64, 161,523.21 and 63,330.47

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Solution

The fourth proportional to 117,046.64, 161,523.21 and 63,330.47 is: 87,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,046.64 : 161,523.21 = 63,330.47 : x
  2. Step 2: Convert to fraction form
    117,046.64/161,523.21 = 63,330.47/x
  3. Step 3: Cross multiply
    117,046.64x = 161,523.21 × 63,330.47
  4. Step 4: Simplify right side
    117,046.64x = 10,229,340,971.53
  5. Step 5: Solve for x
    x = 10,229,340,971.53/117,046.64
  6. Step 6: Final answer
    x = 87,395.43

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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.