Home / 86,550.96-129,833.73-27,385.32

Finding the Fourth Proportional to 86,550.96, 129,833.73 and 27,385.32

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Solution

The fourth proportional to 86,550.96, 129,833.73 and 27,385.32 is: 41,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,550.96 : 129,833.73 = 27,385.32 : x
  2. Step 2: Convert to fraction form
    86,550.96/129,833.73 = 27,385.32/x
  3. Step 3: Cross multiply
    86,550.96x = 129,833.73 × 27,385.32
  4. Step 4: Simplify right side
    86,550.96x = 3,555,538,242.84
  5. Step 5: Solve for x
    x = 3,555,538,242.84/86,550.96
  6. Step 6: Final answer
    x = 41,080.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.