Home / 76,150.05-114,193.58-28,757.08

Finding the Fourth Proportional to 76,150.05, 114,193.58 and 28,757.08

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Solution

The fourth proportional to 76,150.05, 114,193.58 and 28,757.08 is: 43,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,150.05 : 114,193.58 = 28,757.08 : x
  2. Step 2: Convert to fraction form
    76,150.05/114,193.58 = 28,757.08/x
  3. Step 3: Cross multiply
    76,150.05x = 114,193.58 × 28,757.08
  4. Step 4: Simplify right side
    76,150.05x = 3,283,873,915.55
  5. Step 5: Solve for x
    x = 3,283,873,915.55/76,150.05
  6. Step 6: Final answer
    x = 43,123.73

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1.5x scale

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.