Home / 90,427.96-124,790.37-50,140.69

Finding the Fourth Proportional to 90,427.96, 124,790.37 and 50,140.69

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Solution

The fourth proportional to 90,427.96, 124,790.37 and 50,140.69 is: 69,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.96 : 124,790.37 = 50,140.69 : x
  2. Step 2: Convert to fraction form
    90,427.96/124,790.37 = 50,140.69/x
  3. Step 3: Cross multiply
    90,427.96x = 124,790.37 × 50,140.69
  4. Step 4: Simplify right side
    90,427.96x = 6,257,074,757.15
  5. Step 5: Solve for x
    x = 6,257,074,757.15/90,427.96
  6. Step 6: Final answer
    x = 69,194.03

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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.