Home / 115,464.22-159,323.52-70,118.56

Finding the Fourth Proportional to 115,464.22, 159,323.52 and 70,118.56

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Solution

The fourth proportional to 115,464.22, 159,323.52 and 70,118.56 is: 96,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,464.22 : 159,323.52 = 70,118.56 : x
  2. Step 2: Convert to fraction form
    115,464.22/159,323.52 = 70,118.56/x
  3. Step 3: Cross multiply
    115,464.22x = 159,323.52 × 70,118.56
  4. Step 4: Simplify right side
    115,464.22x = 11,171,535,796.53
  5. Step 5: Solve for x
    x = 11,171,535,796.53/115,464.22
  6. Step 6: Final answer
    x = 96,753.23

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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.