Home / 56,456.45-77,908.73-34,940.47

Finding the Fourth Proportional to 56,456.45, 77,908.73 and 34,940.47

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Solution

The fourth proportional to 56,456.45, 77,908.73 and 34,940.47 is: 48,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.45 : 77,908.73 = 34,940.47 : x
  2. Step 2: Convert to fraction form
    56,456.45/77,908.73 = 34,940.47/x
  3. Step 3: Cross multiply
    56,456.45x = 77,908.73 × 34,940.47
  4. Step 4: Simplify right side
    56,456.45x = 2,722,167,643.30
  5. Step 5: Solve for x
    x = 2,722,167,643.30/56,456.45
  6. Step 6: Final answer
    x = 48,217.12

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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.