Home / 90,576.39-124,998.60-50,290.77

Finding the Fourth Proportional to 90,576.39, 124,998.60 and 50,290.77

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Solution

The fourth proportional to 90,576.39, 124,998.60 and 50,290.77 is: 69,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576.39 : 124,998.60 = 50,290.77 : x
  2. Step 2: Convert to fraction form
    90,576.39/124,998.60 = 50,290.77/x
  3. Step 3: Cross multiply
    90,576.39x = 124,998.60 × 50,290.77
  4. Step 4: Simplify right side
    90,576.39x = 6,286,275,842.92
  5. Step 5: Solve for x
    x = 6,286,275,842.92/90,576.39
  6. Step 6: Final answer
    x = 69,403.03

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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.