Home / 90,448.13-124,826.09-50,174.87

Finding the Fourth Proportional to 90,448.13, 124,826.09 and 50,174.87

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Solution

The fourth proportional to 90,448.13, 124,826.09 and 50,174.87 is: 69,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,448.13 : 124,826.09 = 50,174.87 : x
  2. Step 2: Convert to fraction form
    90,448.13/124,826.09 = 50,174.87/x
  3. Step 3: Cross multiply
    90,448.13x = 124,826.09 × 50,174.87
  4. Step 4: Simplify right side
    90,448.13x = 6,263,132,838.36
  5. Step 5: Solve for x
    x = 6,263,132,838.36/90,448.13
  6. Step 6: Final answer
    x = 69,245.58

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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.