Home / 57,154.98-78,867.36-33,276.60

Finding the Fourth Proportional to 57,154.98, 78,867.36 and 33,276.60

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Solution

The fourth proportional to 57,154.98, 78,867.36 and 33,276.60 is: 45,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,154.98 : 78,867.36 = 33,276.60 : x
  2. Step 2: Convert to fraction form
    57,154.98/78,867.36 = 33,276.60/x
  3. Step 3: Cross multiply
    57,154.98x = 78,867.36 × 33,276.60
  4. Step 4: Simplify right side
    57,154.98x = 2,624,437,591.78
  5. Step 5: Solve for x
    x = 2,624,437,591.78/57,154.98
  6. Step 6: Final answer
    x = 45,917.92

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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.