Home / 74,794.02-112,104.90-30,372

Finding the Fourth Proportional to 74,794.02, 112,104.90 and 30,372

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Solution

The fourth proportional to 74,794.02, 112,104.90 and 30,372 is: 45,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,794.02 : 112,104.90 = 30,372 : x
  2. Step 2: Convert to fraction form
    74,794.02/112,104.90 = 30,372/x
  3. Step 3: Cross multiply
    74,794.02x = 112,104.90 × 30,372
  4. Step 4: Simplify right side
    74,794.02x = 3,404,850,022.80
  5. Step 5: Solve for x
    x = 3,404,850,022.80/74,794.02
  6. Step 6: Final answer
    x = 45,523.02

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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.