Home / 76,270.96-114,420.88-28,900.24

Finding the Fourth Proportional to 76,270.96, 114,420.88 and 28,900.24

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Solution

The fourth proportional to 76,270.96, 114,420.88 and 28,900.24 is: 43,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,270.96 : 114,420.88 = 28,900.24 : x
  2. Step 2: Convert to fraction form
    76,270.96/114,420.88 = 28,900.24/x
  3. Step 3: Cross multiply
    76,270.96x = 114,420.88 × 28,900.24
  4. Step 4: Simplify right side
    76,270.96x = 3,306,790,893.01
  5. Step 5: Solve for x
    x = 3,306,790,893.01/76,270.96
  6. Step 6: Final answer
    x = 43,355.83

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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.