Home / 116,983.45-161,437.16-63,268.47

Finding the Fourth Proportional to 116,983.45, 161,437.16 and 63,268.47

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Solution

The fourth proportional to 116,983.45, 161,437.16 and 63,268.47 is: 87,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,983.45 : 161,437.16 = 63,268.47 : x
  2. Step 2: Convert to fraction form
    116,983.45/161,437.16 = 63,268.47/x
  3. Step 3: Cross multiply
    116,983.45x = 161,437.16 × 63,268.47
  4. Step 4: Simplify right side
    116,983.45x = 10,213,882,062.75
  5. Step 5: Solve for x
    x = 10,213,882,062.75/116,983.45
  6. Step 6: Final answer
    x = 87,310.49

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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.