Home / 51,219.48-76,673.70-49,508.76

Finding the Fourth Proportional to 51,219.48, 76,673.70 and 49,508.76

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Solution

The fourth proportional to 51,219.48, 76,673.70 and 49,508.76 is: 74,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.48 : 76,673.70 = 49,508.76 : x
  2. Step 2: Convert to fraction form
    51,219.48/76,673.70 = 49,508.76/x
  3. Step 3: Cross multiply
    51,219.48x = 76,673.70 × 49,508.76
  4. Step 4: Simplify right side
    51,219.48x = 3,796,019,811.61
  5. Step 5: Solve for x
    x = 3,796,019,811.61/51,219.48
  6. Step 6: Final answer
    x = 74,112.81

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1.5x scale

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.