Home / 76,869.76-115,276.90-32,499.96

Finding the Fourth Proportional to 76,869.76, 115,276.90 and 32,499.96

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Solution

The fourth proportional to 76,869.76, 115,276.90 and 32,499.96 is: 48,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,869.76 : 115,276.90 = 32,499.96 : x
  2. Step 2: Convert to fraction form
    76,869.76/115,276.90 = 32,499.96/x
  3. Step 3: Cross multiply
    76,869.76x = 115,276.90 × 32,499.96
  4. Step 4: Simplify right side
    76,869.76x = 3,746,494,638.92
  5. Step 5: Solve for x
    x = 3,746,494,638.92/76,869.76
  6. Step 6: Final answer
    x = 48,738.21

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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.