Home / 74,564.20-111,846.30-73,908.10

Finding the Fourth Proportional to 74,564.20, 111,846.30 and 73,908.10

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Solution

The fourth proportional to 74,564.20, 111,846.30 and 73,908.10 is: 110,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.20 : 111,846.30 = 73,908.10 : x
  2. Step 2: Convert to fraction form
    74,564.20/111,846.30 = 73,908.10/x
  3. Step 3: Cross multiply
    74,564.20x = 111,846.30 × 73,908.10
  4. Step 4: Simplify right side
    74,564.20x = 8,266,347,525.03
  5. Step 5: Solve for x
    x = 8,266,347,525.03/74,564.20
  6. Step 6: Final answer
    x = 110,862.15

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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.