Home / 76,579.21-114,868.77-29,864.89

Finding the Fourth Proportional to 76,579.21, 114,868.77 and 29,864.89

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Solution

The fourth proportional to 76,579.21, 114,868.77 and 29,864.89 is: 44,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,579.21 : 114,868.77 = 29,864.89 : x
  2. Step 2: Convert to fraction form
    76,579.21/114,868.77 = 29,864.89/x
  3. Step 3: Cross multiply
    76,579.21x = 114,868.77 × 29,864.89
  4. Step 4: Simplify right side
    76,579.21x = 3,430,543,180.49
  5. Step 5: Solve for x
    x = 3,430,543,180.49/76,579.21
  6. Step 6: Final answer
    x = 44,797.32

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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.