Home / 57,579.08-86,173.54-35,406.50

Finding the Fourth Proportional to 57,579.08, 86,173.54 and 35,406.50

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Solution

The fourth proportional to 57,579.08, 86,173.54 and 35,406.50 is: 52,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,579.08 : 86,173.54 = 35,406.50 : x
  2. Step 2: Convert to fraction form
    57,579.08/86,173.54 = 35,406.50/x
  3. Step 3: Cross multiply
    57,579.08x = 86,173.54 × 35,406.50
  4. Step 4: Simplify right side
    57,579.08x = 3,051,102,924.63
  5. Step 5: Solve for x
    x = 3,051,102,924.63/57,579.08
  6. Step 6: Final answer
    x = 52,989.79

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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.