Home / 76,281.88-114,355.41-28,864.04

Finding the Fourth Proportional to 76,281.88, 114,355.41 and 28,864.04

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Solution

The fourth proportional to 76,281.88, 114,355.41 and 28,864.04 is: 43,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,281.88 : 114,355.41 = 28,864.04 : x
  2. Step 2: Convert to fraction form
    76,281.88/114,355.41 = 28,864.04/x
  3. Step 3: Cross multiply
    76,281.88x = 114,355.41 × 28,864.04
  4. Step 4: Simplify right side
    76,281.88x = 3,300,759,505.03
  5. Step 5: Solve for x
    x = 3,300,759,505.03/76,281.88
  6. Step 6: Final answer
    x = 43,270.56

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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.