Home / 75,566.55-113,335.72-30,576.11

Finding the Fourth Proportional to 75,566.55, 113,335.72 and 30,576.11

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Solution

The fourth proportional to 75,566.55, 113,335.72 and 30,576.11 is: 45,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,566.55 : 113,335.72 = 30,576.11 : x
  2. Step 2: Convert to fraction form
    75,566.55/113,335.72 = 30,576.11/x
  3. Step 3: Cross multiply
    75,566.55x = 113,335.72 × 30,576.11
  4. Step 4: Simplify right side
    75,566.55x = 3,465,365,615.63
  5. Step 5: Solve for x
    x = 3,465,365,615.63/75,566.55
  6. Step 6: Final answer
    x = 45,858.46

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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.