Home / 89,491.42-123,500.21-49,207.44

Finding the Fourth Proportional to 89,491.42, 123,500.21 and 49,207.44

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Solution

The fourth proportional to 89,491.42, 123,500.21 and 49,207.44 is: 67,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,491.42 : 123,500.21 = 49,207.44 : x
  2. Step 2: Convert to fraction form
    89,491.42/123,500.21 = 49,207.44/x
  3. Step 3: Cross multiply
    89,491.42x = 123,500.21 × 49,207.44
  4. Step 4: Simplify right side
    89,491.42x = 6,077,129,173.56
  5. Step 5: Solve for x
    x = 6,077,129,173.56/89,491.42
  6. Step 6: Final answer
    x = 67,907.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.