Home / 76,485.28-114,757.34-37,039.36

Finding the Fourth Proportional to 76,485.28, 114,757.34 and 37,039.36

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Solution

The fourth proportional to 76,485.28, 114,757.34 and 37,039.36 is: 55,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.28 : 114,757.34 = 37,039.36 : x
  2. Step 2: Convert to fraction form
    76,485.28/114,757.34 = 37,039.36/x
  3. Step 3: Cross multiply
    76,485.28x = 114,757.34 × 37,039.36
  4. Step 4: Simplify right side
    76,485.28x = 4,250,538,428.90
  5. Step 5: Solve for x
    x = 4,250,538,428.90/76,485.28
  6. Step 6: Final answer
    x = 55,573.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.