Home / 90,784.13-125,280.26-50,497.03

Finding the Fourth Proportional to 90,784.13, 125,280.26 and 50,497.03

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Solution

The fourth proportional to 90,784.13, 125,280.26 and 50,497.03 is: 69,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784.13 : 125,280.26 = 50,497.03 : x
  2. Step 2: Convert to fraction form
    90,784.13/125,280.26 = 50,497.03/x
  3. Step 3: Cross multiply
    90,784.13x = 125,280.26 × 50,497.03
  4. Step 4: Simplify right side
    90,784.13x = 6,326,280,481.94
  5. Step 5: Solve for x
    x = 6,326,280,481.94/90,784.13
  6. Step 6: Final answer
    x = 69,684.87

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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.