Home / 89,830.60-123,967.20-49,544.44

Finding the Fourth Proportional to 89,830.60, 123,967.20 and 49,544.44

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Solution

The fourth proportional to 89,830.60, 123,967.20 and 49,544.44 is: 68,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830.60 : 123,967.20 = 49,544.44 : x
  2. Step 2: Convert to fraction form
    89,830.60/123,967.20 = 49,544.44/x
  3. Step 3: Cross multiply
    89,830.60x = 123,967.20 × 49,544.44
  4. Step 4: Simplify right side
    89,830.60x = 6,141,885,502.37
  5. Step 5: Solve for x
    x = 6,141,885,502.37/89,830.60
  6. Step 6: Final answer
    x = 68,371.86

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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.