Home / 51,974.71-77,586.09-45,669.05

Finding the Fourth Proportional to 51,974.71, 77,586.09 and 45,669.05

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Solution

The fourth proportional to 51,974.71, 77,586.09 and 45,669.05 is: 68,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,974.71 : 77,586.09 = 45,669.05 : x
  2. Step 2: Convert to fraction form
    51,974.71/77,586.09 = 45,669.05/x
  3. Step 3: Cross multiply
    51,974.71x = 77,586.09 × 45,669.05
  4. Step 4: Simplify right side
    51,974.71x = 3,543,282,635.58
  5. Step 5: Solve for x
    x = 3,543,282,635.58/51,974.71
  6. Step 6: Final answer
    x = 68,173.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.