Home / 90,426.76-124,790.42-50,142.22

Finding the Fourth Proportional to 90,426.76, 124,790.42 and 50,142.22

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Solution

The fourth proportional to 90,426.76, 124,790.42 and 50,142.22 is: 69,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,426.76 : 124,790.42 = 50,142.22 : x
  2. Step 2: Convert to fraction form
    90,426.76/124,790.42 = 50,142.22/x
  3. Step 3: Cross multiply
    90,426.76x = 124,790.42 × 50,142.22
  4. Step 4: Simplify right side
    90,426.76x = 6,257,268,506.91
  5. Step 5: Solve for x
    x = 6,257,268,506.91/90,426.76
  6. Step 6: Final answer
    x = 69,197.09

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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.