Home / 115,932.51-159,979.19-64,246.14

Finding the Fourth Proportional to 115,932.51, 159,979.19 and 64,246.14

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Solution

The fourth proportional to 115,932.51, 159,979.19 and 64,246.14 is: 88,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,932.51 : 159,979.19 = 64,246.14 : x
  2. Step 2: Convert to fraction form
    115,932.51/159,979.19 = 64,246.14/x
  3. Step 3: Cross multiply
    115,932.51x = 159,979.19 × 64,246.14
  4. Step 4: Simplify right side
    115,932.51x = 10,278,045,116.60
  5. Step 5: Solve for x
    x = 10,278,045,116.60/115,932.51
  6. Step 6: Final answer
    x = 88,655.42

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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.