Home / 103,768.20-155,725.20-44,646.30

Finding the Fourth Proportional to 103,768.20, 155,725.20 and 44,646.30

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Solution

The fourth proportional to 103,768.20, 155,725.20 and 44,646.30 is: 67,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,768.20 : 155,725.20 = 44,646.30 : x
  2. Step 2: Convert to fraction form
    103,768.20/155,725.20 = 44,646.30/x
  3. Step 3: Cross multiply
    103,768.20x = 155,725.20 × 44,646.30
  4. Step 4: Simplify right side
    103,768.20x = 6,952,553,996.76
  5. Step 5: Solve for x
    x = 6,952,553,996.76/103,768.20
  6. Step 6: Final answer
    x = 67,000.82

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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.