Home / 76,107.03-114,162.60-33,977.21

Finding the Fourth Proportional to 76,107.03, 114,162.60 and 33,977.21

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Solution

The fourth proportional to 76,107.03, 114,162.60 and 33,977.21 is: 50,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,107.03 : 114,162.60 = 33,977.21 : x
  2. Step 2: Convert to fraction form
    76,107.03/114,162.60 = 33,977.21/x
  3. Step 3: Cross multiply
    76,107.03x = 114,162.60 × 33,977.21
  4. Step 4: Simplify right side
    76,107.03x = 3,878,926,409.78
  5. Step 5: Solve for x
    x = 3,878,926,409.78/76,107.03
  6. Step 6: Final answer
    x = 50,966.73

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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.