Home / 119,743.70-179,621.01-40,858.61

Finding the Fourth Proportional to 119,743.70, 179,621.01 and 40,858.61

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Solution

The fourth proportional to 119,743.70, 179,621.01 and 40,858.61 is: 61,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,743.70 : 179,621.01 = 40,858.61 : x
  2. Step 2: Convert to fraction form
    119,743.70/179,621.01 = 40,858.61/x
  3. Step 3: Cross multiply
    119,743.70x = 179,621.01 × 40,858.61
  4. Step 4: Simplify right side
    119,743.70x = 7,339,063,897.29
  5. Step 5: Solve for x
    x = 7,339,063,897.29/119,743.70
  6. Step 6: Final answer
    x = 61,289.77

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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.