Home / 90,941.96-125,493.46-50,104.31

Finding the Fourth Proportional to 90,941.96, 125,493.46 and 50,104.31

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Solution

The fourth proportional to 90,941.96, 125,493.46 and 50,104.31 is: 69,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941.96 : 125,493.46 = 50,104.31 : x
  2. Step 2: Convert to fraction form
    90,941.96/125,493.46 = 50,104.31/x
  3. Step 3: Cross multiply
    90,941.96x = 125,493.46 × 50,104.31
  4. Step 4: Simplify right side
    90,941.96x = 6,287,762,470.08
  5. Step 5: Solve for x
    x = 6,287,762,470.08/90,941.96
  6. Step 6: Final answer
    x = 69,140.39

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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.