Home / 76,169.04-114,252.36-20,765.04

Finding the Fourth Proportional to 76,169.04, 114,252.36 and 20,765.04

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Solution

The fourth proportional to 76,169.04, 114,252.36 and 20,765.04 is: 31,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,169.04 : 114,252.36 = 20,765.04 : x
  2. Step 2: Convert to fraction form
    76,169.04/114,252.36 = 20,765.04/x
  3. Step 3: Cross multiply
    76,169.04x = 114,252.36 × 20,765.04
  4. Step 4: Simplify right side
    76,169.04x = 2,372,454,825.49
  5. Step 5: Solve for x
    x = 2,372,454,825.49/76,169.04
  6. Step 6: Final answer
    x = 31,147.23

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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.