Home / 90,496.27-124,879.21-54,665.11

Finding the Fourth Proportional to 90,496.27, 124,879.21 and 54,665.11

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Solution

The fourth proportional to 90,496.27, 124,879.21 and 54,665.11 is: 75,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,496.27 : 124,879.21 = 54,665.11 : x
  2. Step 2: Convert to fraction form
    90,496.27/124,879.21 = 54,665.11/x
  3. Step 3: Cross multiply
    90,496.27x = 124,879.21 × 54,665.11
  4. Step 4: Simplify right side
    90,496.27x = 6,826,535,751.36
  5. Step 5: Solve for x
    x = 6,826,535,751.36/90,496.27
  6. Step 6: Final answer
    x = 75,434.44

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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.