Home / 86,238.50-119,009.10-48,512.75

Finding the Fourth Proportional to 86,238.50, 119,009.10 and 48,512.75

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Solution

The fourth proportional to 86,238.50, 119,009.10 and 48,512.75 is: 66,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.50 : 119,009.10 = 48,512.75 : x
  2. Step 2: Convert to fraction form
    86,238.50/119,009.10 = 48,512.75/x
  3. Step 3: Cross multiply
    86,238.50x = 119,009.10 × 48,512.75
  4. Step 4: Simplify right side
    86,238.50x = 5,773,458,716.03
  5. Step 5: Solve for x
    x = 5,773,458,716.03/86,238.50
  6. Step 6: Final answer
    x = 66,947.58

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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.