Home / 76,142.42-114,228.20-23,542.64

Finding the Fourth Proportional to 76,142.42, 114,228.20 and 23,542.64

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Solution

The fourth proportional to 76,142.42, 114,228.20 and 23,542.64 is: 35,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,142.42 : 114,228.20 = 23,542.64 : x
  2. Step 2: Convert to fraction form
    76,142.42/114,228.20 = 23,542.64/x
  3. Step 3: Cross multiply
    76,142.42x = 114,228.20 × 23,542.64
  4. Step 4: Simplify right side
    76,142.42x = 2,689,233,390.45
  5. Step 5: Solve for x
    x = 2,689,233,390.45/76,142.42
  6. Step 6: Final answer
    x = 35,318.46

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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.