Home / 89,134.48-123,005.60-48,847.87

Finding the Fourth Proportional to 89,134.48, 123,005.60 and 48,847.87

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Solution

The fourth proportional to 89,134.48, 123,005.60 and 48,847.87 is: 67,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,134.48 : 123,005.60 = 48,847.87 : x
  2. Step 2: Convert to fraction form
    89,134.48/123,005.60 = 48,847.87/x
  3. Step 3: Cross multiply
    89,134.48x = 123,005.60 × 48,847.87
  4. Step 4: Simplify right side
    89,134.48x = 6,008,561,558.07
  5. Step 5: Solve for x
    x = 6,008,561,558.07/89,134.48
  6. Step 6: Final answer
    x = 67,410.07

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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.