Home / 89,336.45-123,285.84-49,051.91

Finding the Fourth Proportional to 89,336.45, 123,285.84 and 49,051.91

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Solution

The fourth proportional to 89,336.45, 123,285.84 and 49,051.91 is: 67,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,336.45 : 123,285.84 = 49,051.91 : x
  2. Step 2: Convert to fraction form
    89,336.45/123,285.84 = 49,051.91/x
  3. Step 3: Cross multiply
    89,336.45x = 123,285.84 × 49,051.91
  4. Step 4: Simplify right side
    89,336.45x = 6,047,405,127.58
  5. Step 5: Solve for x
    x = 6,047,405,127.58/89,336.45
  6. Step 6: Final answer
    x = 67,692.48

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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.