Home / 57,175.60-85,858.44-38,575.30

Finding the Fourth Proportional to 57,175.60, 85,858.44 and 38,575.30

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Solution

The fourth proportional to 57,175.60, 85,858.44 and 38,575.30 is: 57,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.60 : 85,858.44 = 38,575.30 : x
  2. Step 2: Convert to fraction form
    57,175.60/85,858.44 = 38,575.30/x
  3. Step 3: Cross multiply
    57,175.60x = 85,858.44 × 38,575.30
  4. Step 4: Simplify right side
    57,175.60x = 3,312,015,080.53
  5. Step 5: Solve for x
    x = 3,312,015,080.53/57,175.60
  6. Step 6: Final answer
    x = 57,927.07

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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.