Home / 76,880.19-115,280.37-29,481.27

Finding the Fourth Proportional to 76,880.19, 115,280.37 and 29,481.27

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Solution

The fourth proportional to 76,880.19, 115,280.37 and 29,481.27 is: 44,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,880.19 : 115,280.37 = 29,481.27 : x
  2. Step 2: Convert to fraction form
    76,880.19/115,280.37 = 29,481.27/x
  3. Step 3: Cross multiply
    76,880.19x = 115,280.37 × 29,481.27
  4. Step 4: Simplify right side
    76,880.19x = 3,398,611,713.67
  5. Step 5: Solve for x
    x = 3,398,611,713.67/76,880.19
  6. Step 6: Final answer
    x = 44,206.60

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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.