Home / 91,023.60-125,597.34-50,728.56

Finding the Fourth Proportional to 91,023.60, 125,597.34 and 50,728.56

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Solution

The fourth proportional to 91,023.60, 125,597.34 and 50,728.56 is: 69,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023.60 : 125,597.34 = 50,728.56 : x
  2. Step 2: Convert to fraction form
    91,023.60/125,597.34 = 50,728.56/x
  3. Step 3: Cross multiply
    91,023.60x = 125,597.34 × 50,728.56
  4. Step 4: Simplify right side
    91,023.60x = 6,371,372,198.03
  5. Step 5: Solve for x
    x = 6,371,372,198.03/91,023.60
  6. Step 6: Final answer
    x = 69,996.93

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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.