Home / 116,846.58-161,248.08-63,131.43

Finding the Fourth Proportional to 116,846.58, 161,248.08 and 63,131.43

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Solution

The fourth proportional to 116,846.58, 161,248.08 and 63,131.43 is: 87,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,846.58 : 161,248.08 = 63,131.43 : x
  2. Step 2: Convert to fraction form
    116,846.58/161,248.08 = 63,131.43/x
  3. Step 3: Cross multiply
    116,846.58x = 161,248.08 × 63,131.43
  4. Step 4: Simplify right side
    116,846.58x = 10,179,821,875.15
  5. Step 5: Solve for x
    x = 10,179,821,875.15/116,846.58
  6. Step 6: Final answer
    x = 87,121.27

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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.