Home / 76,823.24-115,193.20-34,654

Finding the Fourth Proportional to 76,823.24, 115,193.20 and 34,654

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Solution

The fourth proportional to 76,823.24, 115,193.20 and 34,654 is: 51,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,823.24 : 115,193.20 = 34,654 : x
  2. Step 2: Convert to fraction form
    76,823.24/115,193.20 = 34,654/x
  3. Step 3: Cross multiply
    76,823.24x = 115,193.20 × 34,654
  4. Step 4: Simplify right side
    76,823.24x = 3,991,905,152.80
  5. Step 5: Solve for x
    x = 3,991,905,152.80/76,823.24
  6. Step 6: Final answer
    x = 51,962.21

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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.