Home / 81,919.10-113,046.84-46,113.06

Finding the Fourth Proportional to 81,919.10, 113,046.84 and 46,113.06

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Solution

The fourth proportional to 81,919.10, 113,046.84 and 46,113.06 is: 63,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,919.10 : 113,046.84 = 46,113.06 : x
  2. Step 2: Convert to fraction form
    81,919.10/113,046.84 = 46,113.06/x
  3. Step 3: Cross multiply
    81,919.10x = 113,046.84 × 46,113.06
  4. Step 4: Simplify right side
    81,919.10x = 5,212,935,715.73
  5. Step 5: Solve for x
    x = 5,212,935,715.73/81,919.10
  6. Step 6: Final answer
    x = 63,635.17

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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.