Home / 89,739.36-123,811.44-53,942.88

Finding the Fourth Proportional to 89,739.36, 123,811.44 and 53,942.88

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Solution

The fourth proportional to 89,739.36, 123,811.44 and 53,942.88 is: 74,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,739.36 : 123,811.44 = 53,942.88 : x
  2. Step 2: Convert to fraction form
    89,739.36/123,811.44 = 53,942.88/x
  3. Step 3: Cross multiply
    89,739.36x = 123,811.44 × 53,942.88
  4. Step 4: Simplify right side
    89,739.36x = 6,678,745,650.55
  5. Step 5: Solve for x
    x = 6,678,745,650.55/89,739.36
  6. Step 6: Final answer
    x = 74,423.82

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1.5x scale

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.