Home / 89,281.24-123,209.96-48,992.64

Finding the Fourth Proportional to 89,281.24, 123,209.96 and 48,992.64

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Solution

The fourth proportional to 89,281.24, 123,209.96 and 48,992.64 is: 67,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.24 : 123,209.96 = 48,992.64 : x
  2. Step 2: Convert to fraction form
    89,281.24/123,209.96 = 48,992.64/x
  3. Step 3: Cross multiply
    89,281.24x = 123,209.96 × 48,992.64
  4. Step 4: Simplify right side
    89,281.24x = 6,036,381,214.69
  5. Step 5: Solve for x
    x = 6,036,381,214.69/89,281.24
  6. Step 6: Final answer
    x = 67,610.86

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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.