Home / 56,629.96-84,721.38-49,981.48

Finding the Fourth Proportional to 56,629.96, 84,721.38 and 49,981.48

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Solution

The fourth proportional to 56,629.96, 84,721.38 and 49,981.48 is: 74,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,629.96 : 84,721.38 = 49,981.48 : x
  2. Step 2: Convert to fraction form
    56,629.96/84,721.38 = 49,981.48/x
  3. Step 3: Cross multiply
    56,629.96x = 84,721.38 × 49,981.48
  4. Step 4: Simplify right side
    56,629.96x = 4,234,499,960.04
  5. Step 5: Solve for x
    x = 4,234,499,960.04/56,629.96
  6. Step 6: Final answer
    x = 74,774.91

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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.