Home / 76,677.10-115,015.65-24,091.90

Finding the Fourth Proportional to 76,677.10, 115,015.65 and 24,091.90

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Solution

The fourth proportional to 76,677.10, 115,015.65 and 24,091.90 is: 36,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,677.10 : 115,015.65 = 24,091.90 : x
  2. Step 2: Convert to fraction form
    76,677.10/115,015.65 = 24,091.90/x
  3. Step 3: Cross multiply
    76,677.10x = 115,015.65 × 24,091.90
  4. Step 4: Simplify right side
    76,677.10x = 2,770,945,538.24
  5. Step 5: Solve for x
    x = 2,770,945,538.24/76,677.10
  6. Step 6: Final answer
    x = 36,137.85

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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.