Home / 117,071.25-161,558.83-63,356.27

Finding the Fourth Proportional to 117,071.25, 161,558.83 and 63,356.27

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Solution

The fourth proportional to 117,071.25, 161,558.83 and 63,356.27 is: 87,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,071.25 : 161,558.83 = 63,356.27 : x
  2. Step 2: Convert to fraction form
    117,071.25/161,558.83 = 63,356.27/x
  3. Step 3: Cross multiply
    117,071.25x = 161,558.83 × 63,356.27
  4. Step 4: Simplify right side
    117,071.25x = 10,235,764,854.36
  5. Step 5: Solve for x
    x = 10,235,764,854.36/117,071.25
  6. Step 6: Final answer
    x = 87,431.93

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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.