Home / 76,150.55-114,330.64-38,735.94

Finding the Fourth Proportional to 76,150.55, 114,330.64 and 38,735.94

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Solution

The fourth proportional to 76,150.55, 114,330.64 and 38,735.94 is: 58,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,150.55 : 114,330.64 = 38,735.94 : x
  2. Step 2: Convert to fraction form
    76,150.55/114,330.64 = 38,735.94/x
  3. Step 3: Cross multiply
    76,150.55x = 114,330.64 × 38,735.94
  4. Step 4: Simplify right side
    76,150.55x = 4,428,704,811.20
  5. Step 5: Solve for x
    x = 4,428,704,811.20/76,150.55
  6. Step 6: Final answer
    x = 58,157.23

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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.