Home / 50,108.61-68,992.52-42,539.25

Finding the Fourth Proportional to 50,108.61, 68,992.52 and 42,539.25

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Solution

The fourth proportional to 50,108.61, 68,992.52 and 42,539.25 is: 58,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.61 : 68,992.52 = 42,539.25 : x
  2. Step 2: Convert to fraction form
    50,108.61/68,992.52 = 42,539.25/x
  3. Step 3: Cross multiply
    50,108.61x = 68,992.52 × 42,539.25
  4. Step 4: Simplify right side
    50,108.61x = 2,934,889,843.71
  5. Step 5: Solve for x
    x = 2,934,889,843.71/50,108.61
  6. Step 6: Final answer
    x = 58,570.57

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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.