Home / 76,589.04-114,852-29,221.38

Finding the Fourth Proportional to 76,589.04, 114,852 and 29,221.38

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Solution

The fourth proportional to 76,589.04, 114,852 and 29,221.38 is: 43,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589.04 : 114,852 = 29,221.38 : x
  2. Step 2: Convert to fraction form
    76,589.04/114,852 = 29,221.38/x
  3. Step 3: Cross multiply
    76,589.04x = 114,852 × 29,221.38
  4. Step 4: Simplify right side
    76,589.04x = 3,356,133,935.76
  5. Step 5: Solve for x
    x = 3,356,133,935.76/76,589.04
  6. Step 6: Final answer
    x = 43,820.03

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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.