Home / 89,789.36-123,909.64-49,502.24

Finding the Fourth Proportional to 89,789.36, 123,909.64 and 49,502.24

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Solution

The fourth proportional to 89,789.36, 123,909.64 and 49,502.24 is: 68,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,789.36 : 123,909.64 = 49,502.24 : x
  2. Step 2: Convert to fraction form
    89,789.36/123,909.64 = 49,502.24/x
  3. Step 3: Cross multiply
    89,789.36x = 123,909.64 × 49,502.24
  4. Step 4: Simplify right side
    89,789.36x = 6,133,804,737.59
  5. Step 5: Solve for x
    x = 6,133,804,737.59/89,789.36
  6. Step 6: Final answer
    x = 68,313.27

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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.