Home / 74,996.12-112,494.18-30,037.89

Finding the Fourth Proportional to 74,996.12, 112,494.18 and 30,037.89

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Solution

The fourth proportional to 74,996.12, 112,494.18 and 30,037.89 is: 45,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,996.12 : 112,494.18 = 30,037.89 : x
  2. Step 2: Convert to fraction form
    74,996.12/112,494.18 = 30,037.89/x
  3. Step 3: Cross multiply
    74,996.12x = 112,494.18 × 30,037.89
  4. Step 4: Simplify right side
    74,996.12x = 3,379,087,579.47
  5. Step 5: Solve for x
    x = 3,379,087,579.47/74,996.12
  6. Step 6: Final answer
    x = 45,056.83

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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.