Home / 75,687.06-113,534.19-28,943.94

Finding the Fourth Proportional to 75,687.06, 113,534.19 and 28,943.94

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Solution

The fourth proportional to 75,687.06, 113,534.19 and 28,943.94 is: 43,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,687.06 : 113,534.19 = 28,943.94 : x
  2. Step 2: Convert to fraction form
    75,687.06/113,534.19 = 28,943.94/x
  3. Step 3: Cross multiply
    75,687.06x = 113,534.19 × 28,943.94
  4. Step 4: Simplify right side
    75,687.06x = 3,286,126,783.31
  5. Step 5: Solve for x
    x = 3,286,126,783.31/75,687.06
  6. Step 6: Final answer
    x = 43,417.29

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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.