Home / 86,623.32-129,933.48-27,458.88

Finding the Fourth Proportional to 86,623.32, 129,933.48 and 27,458.88

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Solution

The fourth proportional to 86,623.32, 129,933.48 and 27,458.88 is: 41,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.32 : 129,933.48 = 27,458.88 : x
  2. Step 2: Convert to fraction form
    86,623.32/129,933.48 = 27,458.88/x
  3. Step 3: Cross multiply
    86,623.32x = 129,933.48 × 27,458.88
  4. Step 4: Simplify right side
    86,623.32x = 3,567,827,835.30
  5. Step 5: Solve for x
    x = 3,567,827,835.30/86,623.32
  6. Step 6: Final answer
    x = 41,187.84

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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.