Home / 57,236.60-78,988.56-33,359.42

Finding the Fourth Proportional to 57,236.60, 78,988.56 and 33,359.42

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Solution

The fourth proportional to 57,236.60, 78,988.56 and 33,359.42 is: 46,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.60 : 78,988.56 = 33,359.42 : x
  2. Step 2: Convert to fraction form
    57,236.60/78,988.56 = 33,359.42/x
  3. Step 3: Cross multiply
    57,236.60x = 78,988.56 × 33,359.42
  4. Step 4: Simplify right side
    57,236.60x = 2,635,012,548.24
  5. Step 5: Solve for x
    x = 2,635,012,548.24/57,236.60
  6. Step 6: Final answer
    x = 46,037.20

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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.