Home / 74,146.20-111,166.46-34,681.80

Finding the Fourth Proportional to 74,146.20, 111,166.46 and 34,681.80

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Solution

The fourth proportional to 74,146.20, 111,166.46 and 34,681.80 is: 51,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,146.20 : 111,166.46 = 34,681.80 : x
  2. Step 2: Convert to fraction form
    74,146.20/111,166.46 = 34,681.80/x
  3. Step 3: Cross multiply
    74,146.20x = 111,166.46 × 34,681.80
  4. Step 4: Simplify right side
    74,146.20x = 3,855,452,932.43
  5. Step 5: Solve for x
    x = 3,855,452,932.43/74,146.20
  6. Step 6: Final answer
    x = 51,997.98

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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.