Home / 90,448.43-124,826.31-50,175.18

Finding the Fourth Proportional to 90,448.43, 124,826.31 and 50,175.18

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Solution

The fourth proportional to 90,448.43, 124,826.31 and 50,175.18 is: 69,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,448.43 : 124,826.31 = 50,175.18 : x
  2. Step 2: Convert to fraction form
    90,448.43/124,826.31 = 50,175.18/x
  3. Step 3: Cross multiply
    90,448.43x = 124,826.31 × 50,175.18
  4. Step 4: Simplify right side
    90,448.43x = 6,263,181,697.98
  5. Step 5: Solve for x
    x = 6,263,181,697.98/90,448.43
  6. Step 6: Final answer
    x = 69,245.89

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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.