Home / 114,628.60-171,942.90-35,742.20

Finding the Fourth Proportional to 114,628.60, 171,942.90 and 35,742.20

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Solution

The fourth proportional to 114,628.60, 171,942.90 and 35,742.20 is: 53,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,628.60 : 171,942.90 = 35,742.20 : x
  2. Step 2: Convert to fraction form
    114,628.60/171,942.90 = 35,742.20/x
  3. Step 3: Cross multiply
    114,628.60x = 171,942.90 × 35,742.20
  4. Step 4: Simplify right side
    114,628.60x = 6,145,617,520.38
  5. Step 5: Solve for x
    x = 6,145,617,520.38/114,628.60
  6. Step 6: Final answer
    x = 53,613.30

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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.