Home / 76,380.23-114,543-26,446.93

Finding the Fourth Proportional to 76,380.23, 114,543 and 26,446.93

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Solution

The fourth proportional to 76,380.23, 114,543 and 26,446.93 is: 39,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,380.23 : 114,543 = 26,446.93 : x
  2. Step 2: Convert to fraction form
    76,380.23/114,543 = 26,446.93/x
  3. Step 3: Cross multiply
    76,380.23x = 114,543 × 26,446.93
  4. Step 4: Simplify right side
    76,380.23x = 3,029,310,702.99
  5. Step 5: Solve for x
    x = 3,029,310,702.99/76,380.23
  6. Step 6: Final answer
    x = 39,660.93

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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.