Home / 98,055.09-135,329.84-57,232.61

Finding the Fourth Proportional to 98,055.09, 135,329.84 and 57,232.61

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Solution

The fourth proportional to 98,055.09, 135,329.84 and 57,232.61 is: 78,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055.09 : 135,329.84 = 57,232.61 : x
  2. Step 2: Convert to fraction form
    98,055.09/135,329.84 = 57,232.61/x
  3. Step 3: Cross multiply
    98,055.09x = 135,329.84 × 57,232.61
  4. Step 4: Simplify right side
    98,055.09x = 7,745,278,991.27
  5. Step 5: Solve for x
    x = 7,745,278,991.27/98,055.09
  6. Step 6: Final answer
    x = 78,989.06

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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.