Home / 76,208.91-114,294.96-31,811.58

Finding the Fourth Proportional to 76,208.91, 114,294.96 and 31,811.58

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Solution

The fourth proportional to 76,208.91, 114,294.96 and 31,811.58 is: 47,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,208.91 : 114,294.96 = 31,811.58 : x
  2. Step 2: Convert to fraction form
    76,208.91/114,294.96 = 31,811.58/x
  3. Step 3: Cross multiply
    76,208.91x = 114,294.96 × 31,811.58
  4. Step 4: Simplify right side
    76,208.91x = 3,635,903,263.64
  5. Step 5: Solve for x
    x = 3,635,903,263.64/76,208.91
  6. Step 6: Final answer
    x = 47,709.69

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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.