Home / 71,289.20-98,403.69-41,086.56

Finding the Fourth Proportional to 71,289.20, 98,403.69 and 41,086.56

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Solution

The fourth proportional to 71,289.20, 98,403.69 and 41,086.56 is: 56,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,289.20 : 98,403.69 = 41,086.56 : x
  2. Step 2: Convert to fraction form
    71,289.20/98,403.69 = 41,086.56/x
  3. Step 3: Cross multiply
    71,289.20x = 98,403.69 × 41,086.56
  4. Step 4: Simplify right side
    71,289.20x = 4,043,069,636.49
  5. Step 5: Solve for x
    x = 4,043,069,636.49/71,289.20
  6. Step 6: Final answer
    x = 56,713.63

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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.