Home / 89,518.88-123,539.16-49,235.69

Finding the Fourth Proportional to 89,518.88, 123,539.16 and 49,235.69

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Solution

The fourth proportional to 89,518.88, 123,539.16 and 49,235.69 is: 67,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,518.88 : 123,539.16 = 49,235.69 : x
  2. Step 2: Convert to fraction form
    89,518.88/123,539.16 = 49,235.69/x
  3. Step 3: Cross multiply
    89,518.88x = 123,539.16 × 49,235.69
  4. Step 4: Simplify right side
    89,518.88x = 6,082,535,166.92
  5. Step 5: Solve for x
    x = 6,082,535,166.92/89,518.88
  6. Step 6: Final answer
    x = 67,946.96

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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.