Home / 76,219.79-114,329.68-31,822.37

Finding the Fourth Proportional to 76,219.79, 114,329.68 and 31,822.37

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Solution

The fourth proportional to 76,219.79, 114,329.68 and 31,822.37 is: 47,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,219.79 : 114,329.68 = 31,822.37 : x
  2. Step 2: Convert to fraction form
    76,219.79/114,329.68 = 31,822.37/x
  3. Step 3: Cross multiply
    76,219.79x = 114,329.68 × 31,822.37
  4. Step 4: Simplify right side
    76,219.79x = 3,638,241,156.47
  5. Step 5: Solve for x
    x = 3,638,241,156.47/76,219.79
  6. Step 6: Final answer
    x = 47,733.55

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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.