Home / 76,217.94-114,308.46-31,820.58

Finding the Fourth Proportional to 76,217.94, 114,308.46 and 31,820.58

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Solution

The fourth proportional to 76,217.94, 114,308.46 and 31,820.58 is: 47,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,217.94 : 114,308.46 = 31,820.58 : x
  2. Step 2: Convert to fraction form
    76,217.94/114,308.46 = 31,820.58/x
  3. Step 3: Cross multiply
    76,217.94x = 114,308.46 × 31,820.58
  4. Step 4: Simplify right side
    76,217.94x = 3,637,361,496.11
  5. Step 5: Solve for x
    x = 3,637,361,496.11/76,217.94
  6. Step 6: Final answer
    x = 47,723.17

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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.