Home / 57,027.78-78,714.99-33,165.18

Finding the Fourth Proportional to 57,027.78, 78,714.99 and 33,165.18

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Solution

The fourth proportional to 57,027.78, 78,714.99 and 33,165.18 is: 45,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,027.78 : 78,714.99 = 33,165.18 : x
  2. Step 2: Convert to fraction form
    57,027.78/78,714.99 = 33,165.18/x
  3. Step 3: Cross multiply
    57,027.78x = 78,714.99 × 33,165.18
  4. Step 4: Simplify right side
    57,027.78x = 2,610,596,812.05
  5. Step 5: Solve for x
    x = 2,610,596,812.05/57,027.78
  6. Step 6: Final answer
    x = 45,777.63

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1.5x scale

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.