Home / 77,194.52-115,672.23-53,548.05

Finding the Fourth Proportional to 77,194.52, 115,672.23 and 53,548.05

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Solution

The fourth proportional to 77,194.52, 115,672.23 and 53,548.05 is: 80,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,194.52 : 115,672.23 = 53,548.05 : x
  2. Step 2: Convert to fraction form
    77,194.52/115,672.23 = 53,548.05/x
  3. Step 3: Cross multiply
    77,194.52x = 115,672.23 × 53,548.05
  4. Step 4: Simplify right side
    77,194.52x = 6,194,022,355.65
  5. Step 5: Solve for x
    x = 6,194,022,355.65/77,194.52
  6. Step 6: Final answer
    x = 80,239.15

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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.