Home / 89,284.98-123,212.93-48,999.43

Finding the Fourth Proportional to 89,284.98, 123,212.93 and 48,999.43

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Solution

The fourth proportional to 89,284.98, 123,212.93 and 48,999.43 is: 67,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.98 : 123,212.93 = 48,999.43 : x
  2. Step 2: Convert to fraction form
    89,284.98/123,212.93 = 48,999.43/x
  3. Step 3: Cross multiply
    89,284.98x = 123,212.93 × 48,999.43
  4. Step 4: Simplify right side
    89,284.98x = 6,037,363,523.27
  5. Step 5: Solve for x
    x = 6,037,363,523.27/89,284.98
  6. Step 6: Final answer
    x = 67,619.02

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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.