Home / 56,867.38-78,491.40-32,991.04

Finding the Fourth Proportional to 56,867.38, 78,491.40 and 32,991.04

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Solution

The fourth proportional to 56,867.38, 78,491.40 and 32,991.04 is: 45,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.38 : 78,491.40 = 32,991.04 : x
  2. Step 2: Convert to fraction form
    56,867.38/78,491.40 = 32,991.04/x
  3. Step 3: Cross multiply
    56,867.38x = 78,491.40 × 32,991.04
  4. Step 4: Simplify right side
    56,867.38x = 2,589,512,917.06
  5. Step 5: Solve for x
    x = 2,589,512,917.06/56,867.38
  6. Step 6: Final answer
    x = 45,536.00

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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.