Home / 57,175.41-78,940.57-35,697.86

Finding the Fourth Proportional to 57,175.41, 78,940.57 and 35,697.86

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Solution

The fourth proportional to 57,175.41, 78,940.57 and 35,697.86 is: 49,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.41 : 78,940.57 = 35,697.86 : x
  2. Step 2: Convert to fraction form
    57,175.41/78,940.57 = 35,697.86/x
  3. Step 3: Cross multiply
    57,175.41x = 78,940.57 × 35,697.86
  4. Step 4: Simplify right side
    57,175.41x = 2,818,009,021.48
  5. Step 5: Solve for x
    x = 2,818,009,021.48/57,175.41
  6. Step 6: Final answer
    x = 49,287.08

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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.