Home / 75,567.05-113,336.47-30,576.61

Finding the Fourth Proportional to 75,567.05, 113,336.47 and 30,576.61

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Solution

The fourth proportional to 75,567.05, 113,336.47 and 30,576.61 is: 45,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,567.05 : 113,336.47 = 30,576.61 : x
  2. Step 2: Convert to fraction form
    75,567.05/113,336.47 = 30,576.61/x
  3. Step 3: Cross multiply
    75,567.05x = 113,336.47 × 30,576.61
  4. Step 4: Simplify right side
    75,567.05x = 3,465,445,041.97
  5. Step 5: Solve for x
    x = 3,465,445,041.97/75,567.05
  6. Step 6: Final answer
    x = 45,859.21

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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.