Home / 86,661.45-119,580.71-48,419.37

Finding the Fourth Proportional to 86,661.45, 119,580.71 and 48,419.37

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Solution

The fourth proportional to 86,661.45, 119,580.71 and 48,419.37 is: 66,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,661.45 : 119,580.71 = 48,419.37 : x
  2. Step 2: Convert to fraction form
    86,661.45/119,580.71 = 48,419.37/x
  3. Step 3: Cross multiply
    86,661.45x = 119,580.71 × 48,419.37
  4. Step 4: Simplify right side
    86,661.45x = 5,790,022,400.26
  5. Step 5: Solve for x
    x = 5,790,022,400.26/86,661.45
  6. Step 6: Final answer
    x = 66,811.97

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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.