Home / 73,975.73-102,061.52-42,122.08

Finding the Fourth Proportional to 73,975.73, 102,061.52 and 42,122.08

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Solution

The fourth proportional to 73,975.73, 102,061.52 and 42,122.08 is: 58,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.73 : 102,061.52 = 42,122.08 : x
  2. Step 2: Convert to fraction form
    73,975.73/102,061.52 = 42,122.08/x
  3. Step 3: Cross multiply
    73,975.73x = 102,061.52 × 42,122.08
  4. Step 4: Simplify right side
    73,975.73x = 4,299,042,789.44
  5. Step 5: Solve for x
    x = 4,299,042,789.44/73,975.73
  6. Step 6: Final answer
    x = 58,114.23

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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.