Home / 116,249.76-174,354.15-31,989.60

Finding the Fourth Proportional to 116,249.76, 174,354.15 and 31,989.60

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Solution

The fourth proportional to 116,249.76, 174,354.15 and 31,989.60 is: 47,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,249.76 : 174,354.15 = 31,989.60 : x
  2. Step 2: Convert to fraction form
    116,249.76/174,354.15 = 31,989.60/x
  3. Step 3: Cross multiply
    116,249.76x = 174,354.15 × 31,989.60
  4. Step 4: Simplify right side
    116,249.76x = 5,577,519,516.84
  5. Step 5: Solve for x
    x = 5,577,519,516.84/116,249.76
  6. Step 6: Final answer
    x = 47,978.76

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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.