Home / 117,004.48-161,465.72-63,289.44

Finding the Fourth Proportional to 117,004.48, 161,465.72 and 63,289.44

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Solution

The fourth proportional to 117,004.48, 161,465.72 and 63,289.44 is: 87,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004.48 : 161,465.72 = 63,289.44 : x
  2. Step 2: Convert to fraction form
    117,004.48/161,465.72 = 63,289.44/x
  3. Step 3: Cross multiply
    117,004.48x = 161,465.72 × 63,289.44
  4. Step 4: Simplify right side
    117,004.48x = 10,219,074,998.00
  5. Step 5: Solve for x
    x = 10,219,074,998.00/117,004.48
  6. Step 6: Final answer
    x = 87,339.18

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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.