Home / 49,285.95-68,019.96-30,178.59

Finding the Fourth Proportional to 49,285.95, 68,019.96 and 30,178.59

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Solution

The fourth proportional to 49,285.95, 68,019.96 and 30,178.59 is: 41,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,285.95 : 68,019.96 = 30,178.59 : x
  2. Step 2: Convert to fraction form
    49,285.95/68,019.96 = 30,178.59/x
  3. Step 3: Cross multiply
    49,285.95x = 68,019.96 × 30,178.59
  4. Step 4: Simplify right side
    49,285.95x = 2,052,746,484.66
  5. Step 5: Solve for x
    x = 2,052,746,484.66/49,285.95
  6. Step 6: Final answer
    x = 41,649.73

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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.