Home / 89,247.35-123,153.50-50,999.31

Finding the Fourth Proportional to 89,247.35, 123,153.50 and 50,999.31

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Solution

The fourth proportional to 89,247.35, 123,153.50 and 50,999.31 is: 70,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,247.35 : 123,153.50 = 50,999.31 : x
  2. Step 2: Convert to fraction form
    89,247.35/123,153.50 = 50,999.31/x
  3. Step 3: Cross multiply
    89,247.35x = 123,153.50 × 50,999.31
  4. Step 4: Simplify right side
    89,247.35x = 6,280,743,651.58
  5. Step 5: Solve for x
    x = 6,280,743,651.58/89,247.35
  6. Step 6: Final answer
    x = 70,374.57

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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.