Home / 116,816.21-161,206.40-63,101.26

Finding the Fourth Proportional to 116,816.21, 161,206.40 and 63,101.26

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Solution

The fourth proportional to 116,816.21, 161,206.40 and 63,101.26 is: 87,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,816.21 : 161,206.40 = 63,101.26 : x
  2. Step 2: Convert to fraction form
    116,816.21/161,206.40 = 63,101.26/x
  3. Step 3: Cross multiply
    116,816.21x = 161,206.40 × 63,101.26
  4. Step 4: Simplify right side
    116,816.21x = 10,172,327,319.33
  5. Step 5: Solve for x
    x = 10,172,327,319.33/116,816.21
  6. Step 6: Final answer
    x = 87,079.76

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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.