Home / 89,683.44-123,763.14-49,396.86

Finding the Fourth Proportional to 89,683.44, 123,763.14 and 49,396.86

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Solution

The fourth proportional to 89,683.44, 123,763.14 and 49,396.86 is: 68,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,683.44 : 123,763.14 = 49,396.86 : x
  2. Step 2: Convert to fraction form
    89,683.44/123,763.14 = 49,396.86/x
  3. Step 3: Cross multiply
    89,683.44x = 123,763.14 × 49,396.86
  4. Step 4: Simplify right side
    89,683.44x = 6,113,510,499.74
  5. Step 5: Solve for x
    x = 6,113,510,499.74/89,683.44
  6. Step 6: Final answer
    x = 68,167.66

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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.