Home / 75,801.96-113,654.30-31,459.32

Finding the Fourth Proportional to 75,801.96, 113,654.30 and 31,459.32

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Solution

The fourth proportional to 75,801.96, 113,654.30 and 31,459.32 is: 47,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,801.96 : 113,654.30 = 31,459.32 : x
  2. Step 2: Convert to fraction form
    75,801.96/113,654.30 = 31,459.32/x
  3. Step 3: Cross multiply
    75,801.96x = 113,654.30 × 31,459.32
  4. Step 4: Simplify right side
    75,801.96x = 3,575,486,835.78
  5. Step 5: Solve for x
    x = 3,575,486,835.78/75,801.96
  6. Step 6: Final answer
    x = 47,168.79

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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.