Home / 76,905.73-115,357.88-24,315.22

Finding the Fourth Proportional to 76,905.73, 115,357.88 and 24,315.22

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Solution

The fourth proportional to 76,905.73, 115,357.88 and 24,315.22 is: 36,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,905.73 : 115,357.88 = 24,315.22 : x
  2. Step 2: Convert to fraction form
    76,905.73/115,357.88 = 24,315.22/x
  3. Step 3: Cross multiply
    76,905.73x = 115,357.88 × 24,315.22
  4. Step 4: Simplify right side
    76,905.73x = 2,804,952,230.93
  5. Step 5: Solve for x
    x = 2,804,952,230.93/76,905.73
  6. Step 6: Final answer
    x = 36,472.60

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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.