Home / 55,850.45-77,047.94-49,483.54

Finding the Fourth Proportional to 55,850.45, 77,047.94 and 49,483.54

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Solution

The fourth proportional to 55,850.45, 77,047.94 and 49,483.54 is: 68,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,850.45 : 77,047.94 = 49,483.54 : x
  2. Step 2: Convert to fraction form
    55,850.45/77,047.94 = 49,483.54/x
  3. Step 3: Cross multiply
    55,850.45x = 77,047.94 × 49,483.54
  4. Step 4: Simplify right side
    55,850.45x = 3,812,604,188.25
  5. Step 5: Solve for x
    x = 3,812,604,188.25/55,850.45
  6. Step 6: Final answer
    x = 68,264.52

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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.