Home / 76,530.06-114,788.61-26,601.66

Finding the Fourth Proportional to 76,530.06, 114,788.61 and 26,601.66

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Solution

The fourth proportional to 76,530.06, 114,788.61 and 26,601.66 is: 39,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,530.06 : 114,788.61 = 26,601.66 : x
  2. Step 2: Convert to fraction form
    76,530.06/114,788.61 = 26,601.66/x
  3. Step 3: Cross multiply
    76,530.06x = 114,788.61 × 26,601.66
  4. Step 4: Simplify right side
    76,530.06x = 3,053,567,575.09
  5. Step 5: Solve for x
    x = 3,053,567,575.09/76,530.06
  6. Step 6: Final answer
    x = 39,900.24

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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.