Home / 86,003.20-118,687.68-50,187.52

Finding the Fourth Proportional to 86,003.20, 118,687.68 and 50,187.52

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Solution

The fourth proportional to 86,003.20, 118,687.68 and 50,187.52 is: 69,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,003.20 : 118,687.68 = 50,187.52 : x
  2. Step 2: Convert to fraction form
    86,003.20/118,687.68 = 50,187.52/x
  3. Step 3: Cross multiply
    86,003.20x = 118,687.68 × 50,187.52
  4. Step 4: Simplify right side
    86,003.20x = 5,956,640,313.75
  5. Step 5: Solve for x
    x = 5,956,640,313.75/86,003.20
  6. Step 6: Final answer
    x = 69,260.68

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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.