Home / 76,221.95-114,311.33-48,099.86

Finding the Fourth Proportional to 76,221.95, 114,311.33 and 48,099.86

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Solution

The fourth proportional to 76,221.95, 114,311.33 and 48,099.86 is: 72,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,221.95 : 114,311.33 = 48,099.86 : x
  2. Step 2: Convert to fraction form
    76,221.95/114,311.33 = 48,099.86/x
  3. Step 3: Cross multiply
    76,221.95x = 114,311.33 × 48,099.86
  4. Step 4: Simplify right side
    76,221.95x = 5,498,358,157.36
  5. Step 5: Solve for x
    x = 5,498,358,157.36/76,221.95
  6. Step 6: Final answer
    x = 72,136.16

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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.