Home / 74,793.56-112,157.44-28,013.63

Finding the Fourth Proportional to 74,793.56, 112,157.44 and 28,013.63

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Solution

The fourth proportional to 74,793.56, 112,157.44 and 28,013.63 is: 42,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.56 : 112,157.44 = 28,013.63 : x
  2. Step 2: Convert to fraction form
    74,793.56/112,157.44 = 28,013.63/x
  3. Step 3: Cross multiply
    74,793.56x = 112,157.44 × 28,013.63
  4. Step 4: Simplify right side
    74,793.56x = 3,141,936,395.09
  5. Step 5: Solve for x
    x = 3,141,936,395.09/74,793.56
  6. Step 6: Final answer
    x = 42,008.12

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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.