Home / 68,627.34-102,907.20-28,634.22

Finding the Fourth Proportional to 68,627.34, 102,907.20 and 28,634.22

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Solution

The fourth proportional to 68,627.34, 102,907.20 and 28,634.22 is: 42,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,627.34 : 102,907.20 = 28,634.22 : x
  2. Step 2: Convert to fraction form
    68,627.34/102,907.20 = 28,634.22/x
  3. Step 3: Cross multiply
    68,627.34x = 102,907.20 × 28,634.22
  4. Step 4: Simplify right side
    68,627.34x = 2,946,667,404.38
  5. Step 5: Solve for x
    x = 2,946,667,404.38/68,627.34
  6. Step 6: Final answer
    x = 42,937.22

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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.