Home / 75,181.05-112,459.92-57,276.24

Finding the Fourth Proportional to 75,181.05, 112,459.92 and 57,276.24

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Solution

The fourth proportional to 75,181.05, 112,459.92 and 57,276.24 is: 85,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.05 : 112,459.92 = 57,276.24 : x
  2. Step 2: Convert to fraction form
    75,181.05/112,459.92 = 57,276.24/x
  3. Step 3: Cross multiply
    75,181.05x = 112,459.92 × 57,276.24
  4. Step 4: Simplify right side
    75,181.05x = 6,441,281,368.30
  5. Step 5: Solve for x
    x = 6,441,281,368.30/75,181.05
  6. Step 6: Final answer
    x = 85,676.93

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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.