Home / 81,973.70-113,125.82-46,164.95

Finding the Fourth Proportional to 81,973.70, 113,125.82 and 46,164.95

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Solution

The fourth proportional to 81,973.70, 113,125.82 and 46,164.95 is: 63,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973.70 : 113,125.82 = 46,164.95 : x
  2. Step 2: Convert to fraction form
    81,973.70/113,125.82 = 46,164.95/x
  3. Step 3: Cross multiply
    81,973.70x = 113,125.82 × 46,164.95
  4. Step 4: Simplify right side
    81,973.70x = 5,222,447,593.18
  5. Step 5: Solve for x
    x = 5,222,447,593.18/81,973.70
  6. Step 6: Final answer
    x = 63,708.82

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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.