Home / 75,190.56-112,776.12-35,772.72

Finding the Fourth Proportional to 75,190.56, 112,776.12 and 35,772.72

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Solution

The fourth proportional to 75,190.56, 112,776.12 and 35,772.72 is: 53,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,190.56 : 112,776.12 = 35,772.72 : x
  2. Step 2: Convert to fraction form
    75,190.56/112,776.12 = 35,772.72/x
  3. Step 3: Cross multiply
    75,190.56x = 112,776.12 × 35,772.72
  4. Step 4: Simplify right side
    75,190.56x = 4,034,308,563.45
  5. Step 5: Solve for x
    x = 4,034,308,563.45/75,190.56
  6. Step 6: Final answer
    x = 53,654.46

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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.