Home / 115,538.23-159,357.46-73,055.75

Finding the Fourth Proportional to 115,538.23, 159,357.46 and 73,055.75

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Solution

The fourth proportional to 115,538.23, 159,357.46 and 73,055.75 is: 100,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,538.23 : 159,357.46 = 73,055.75 : x
  2. Step 2: Convert to fraction form
    115,538.23/159,357.46 = 73,055.75/x
  3. Step 3: Cross multiply
    115,538.23x = 159,357.46 × 73,055.75
  4. Step 4: Simplify right side
    115,538.23x = 11,641,978,393.12
  5. Step 5: Solve for x
    x = 11,641,978,393.12/115,538.23
  6. Step 6: Final answer
    x = 100,763.00

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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.