Home / 76,572.83-114,742.31-32,175.32

Finding the Fourth Proportional to 76,572.83, 114,742.31 and 32,175.32

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Solution

The fourth proportional to 76,572.83, 114,742.31 and 32,175.32 is: 48,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,572.83 : 114,742.31 = 32,175.32 : x
  2. Step 2: Convert to fraction form
    76,572.83/114,742.31 = 32,175.32/x
  3. Step 3: Cross multiply
    76,572.83x = 114,742.31 × 32,175.32
  4. Step 4: Simplify right side
    76,572.83x = 3,691,869,807.20
  5. Step 5: Solve for x
    x = 3,691,869,807.20/76,572.83
  6. Step 6: Final answer
    x = 48,213.83

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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.