Home / 106,321.12-159,429.52-60,723.52

Finding the Fourth Proportional to 106,321.12, 159,429.52 and 60,723.52

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Solution

The fourth proportional to 106,321.12, 159,429.52 and 60,723.52 is: 91,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.12 : 159,429.52 = 60,723.52 : x
  2. Step 2: Convert to fraction form
    106,321.12/159,429.52 = 60,723.52/x
  3. Step 3: Cross multiply
    106,321.12x = 159,429.52 × 60,723.52
  4. Step 4: Simplify right side
    106,321.12x = 9,681,121,646.31
  5. Step 5: Solve for x
    x = 9,681,121,646.31/106,321.12
  6. Step 6: Final answer
    x = 91,055.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.