Home / 88,361.05-132,497.78-31,426.42

Finding the Fourth Proportional to 88,361.05, 132,497.78 and 31,426.42

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Solution

The fourth proportional to 88,361.05, 132,497.78 and 31,426.42 is: 47,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,361.05 : 132,497.78 = 31,426.42 : x
  2. Step 2: Convert to fraction form
    88,361.05/132,497.78 = 31,426.42/x
  3. Step 3: Cross multiply
    88,361.05x = 132,497.78 × 31,426.42
  4. Step 4: Simplify right side
    88,361.05x = 4,163,930,883.35
  5. Step 5: Solve for x
    x = 4,163,930,883.35/88,361.05
  6. Step 6: Final answer
    x = 47,124.05

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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.