Home / 74,974.20-112,461.30-73,246.20

Finding the Fourth Proportional to 74,974.20, 112,461.30 and 73,246.20

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Solution

The fourth proportional to 74,974.20, 112,461.30 and 73,246.20 is: 109,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,974.20 : 112,461.30 = 73,246.20 : x
  2. Step 2: Convert to fraction form
    74,974.20/112,461.30 = 73,246.20/x
  3. Step 3: Cross multiply
    74,974.20x = 112,461.30 × 73,246.20
  4. Step 4: Simplify right side
    74,974.20x = 8,237,362,872.06
  5. Step 5: Solve for x
    x = 8,237,362,872.06/74,974.20
  6. Step 6: Final answer
    x = 109,869.30

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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.