Home / 76,380.53-114,543.45-26,447.22

Finding the Fourth Proportional to 76,380.53, 114,543.45 and 26,447.22

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Solution

The fourth proportional to 76,380.53, 114,543.45 and 26,447.22 is: 39,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,380.53 : 114,543.45 = 26,447.22 : x
  2. Step 2: Convert to fraction form
    76,380.53/114,543.45 = 26,447.22/x
  3. Step 3: Cross multiply
    76,380.53x = 114,543.45 × 26,447.22
  4. Step 4: Simplify right side
    76,380.53x = 3,029,355,601.47
  5. Step 5: Solve for x
    x = 3,029,355,601.47/76,380.53
  6. Step 6: Final answer
    x = 39,661.36

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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.