Home / 114,864.22-172,282.64-30,630.70

Finding the Fourth Proportional to 114,864.22, 172,282.64 and 30,630.70

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Solution

The fourth proportional to 114,864.22, 172,282.64 and 30,630.70 is: 45,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,864.22 : 172,282.64 = 30,630.70 : x
  2. Step 2: Convert to fraction form
    114,864.22/172,282.64 = 30,630.70/x
  3. Step 3: Cross multiply
    114,864.22x = 172,282.64 × 30,630.70
  4. Step 4: Simplify right side
    114,864.22x = 5,277,137,861.05
  5. Step 5: Solve for x
    x = 5,277,137,861.05/114,864.22
  6. Step 6: Final answer
    x = 45,942.40

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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.