Home / 117,005.48-161,467.10-63,290.44

Finding the Fourth Proportional to 117,005.48, 161,467.10 and 63,290.44

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Solution

The fourth proportional to 117,005.48, 161,467.10 and 63,290.44 is: 87,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005.48 : 161,467.10 = 63,290.44 : x
  2. Step 2: Convert to fraction form
    117,005.48/161,467.10 = 63,290.44/x
  3. Step 3: Cross multiply
    117,005.48x = 161,467.10 × 63,290.44
  4. Step 4: Simplify right side
    117,005.48x = 10,219,323,804.52
  5. Step 5: Solve for x
    x = 10,219,323,804.52/117,005.48
  6. Step 6: Final answer
    x = 87,340.56

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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.