Home / 76,747.12-114,908.11-39,226.39

Finding the Fourth Proportional to 76,747.12, 114,908.11 and 39,226.39

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Solution

The fourth proportional to 76,747.12, 114,908.11 and 39,226.39 is: 58,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,747.12 : 114,908.11 = 39,226.39 : x
  2. Step 2: Convert to fraction form
    76,747.12/114,908.11 = 39,226.39/x
  3. Step 3: Cross multiply
    76,747.12x = 114,908.11 × 39,226.39
  4. Step 4: Simplify right side
    76,747.12x = 4,507,430,337.02
  5. Step 5: Solve for x
    x = 4,507,430,337.02/76,747.12
  6. Step 6: Final answer
    x = 58,730.94

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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.