Home / 76,589.48-114,901.94-25,985.79

Finding the Fourth Proportional to 76,589.48, 114,901.94 and 25,985.79

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Solution

The fourth proportional to 76,589.48, 114,901.94 and 25,985.79 is: 38,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589.48 : 114,901.94 = 25,985.79 : x
  2. Step 2: Convert to fraction form
    76,589.48/114,901.94 = 25,985.79/x
  3. Step 3: Cross multiply
    76,589.48x = 114,901.94 × 25,985.79
  4. Step 4: Simplify right side
    76,589.48x = 2,985,817,553.50
  5. Step 5: Solve for x
    x = 2,985,817,553.50/76,589.48
  6. Step 6: Final answer
    x = 38,984.70

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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.