Home / 81,930.17-113,062.28-46,120.07

Finding the Fourth Proportional to 81,930.17, 113,062.28 and 46,120.07

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Solution

The fourth proportional to 81,930.17, 113,062.28 and 46,120.07 is: 63,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,930.17 : 113,062.28 = 46,120.07 : x
  2. Step 2: Convert to fraction form
    81,930.17/113,062.28 = 46,120.07/x
  3. Step 3: Cross multiply
    81,930.17x = 113,062.28 × 46,120.07
  4. Step 4: Simplify right side
    81,930.17x = 5,214,439,472.05
  5. Step 5: Solve for x
    x = 5,214,439,472.05/81,930.17
  6. Step 6: Final answer
    x = 63,644.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.