Home / 76,184.21-114,294.58-31,786.29

Finding the Fourth Proportional to 76,184.21, 114,294.58 and 31,786.29

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Solution

The fourth proportional to 76,184.21, 114,294.58 and 31,786.29 is: 47,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,184.21 : 114,294.58 = 31,786.29 : x
  2. Step 2: Convert to fraction form
    76,184.21/114,294.58 = 31,786.29/x
  3. Step 3: Cross multiply
    76,184.21x = 114,294.58 × 31,786.29
  4. Step 4: Simplify right side
    76,184.21x = 3,633,000,585.84
  5. Step 5: Solve for x
    x = 3,633,000,585.84/76,184.21
  6. Step 6: Final answer
    x = 47,687.05

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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.