Home / 56,711.14-78,256.73-32,839.36

Finding the Fourth Proportional to 56,711.14, 78,256.73 and 32,839.36

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Solution

The fourth proportional to 56,711.14, 78,256.73 and 32,839.36 is: 45,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.14 : 78,256.73 = 32,839.36 : x
  2. Step 2: Convert to fraction form
    56,711.14/78,256.73 = 32,839.36/x
  3. Step 3: Cross multiply
    56,711.14x = 78,256.73 × 32,839.36
  4. Step 4: Simplify right side
    56,711.14x = 2,569,900,815.35
  5. Step 5: Solve for x
    x = 2,569,900,815.35/56,711.14
  6. Step 6: Final answer
    x = 45,315.63

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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.