Home / 119,572.12-179,241.54-57,286.36

Finding the Fourth Proportional to 119,572.12, 179,241.54 and 57,286.36

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Solution

The fourth proportional to 119,572.12, 179,241.54 and 57,286.36 is: 85,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572.12 : 179,241.54 = 57,286.36 : x
  2. Step 2: Convert to fraction form
    119,572.12/179,241.54 = 57,286.36/x
  3. Step 3: Cross multiply
    119,572.12x = 179,241.54 × 57,286.36
  4. Step 4: Simplify right side
    119,572.12x = 10,268,095,387.39
  5. Step 5: Solve for x
    x = 10,268,095,387.39/119,572.12
  6. Step 6: Final answer
    x = 85,873.66

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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.