Home / 81,979.48-113,130.57-46,169.92

Finding the Fourth Proportional to 81,979.48, 113,130.57 and 46,169.92

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Solution

The fourth proportional to 81,979.48, 113,130.57 and 46,169.92 is: 63,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,979.48 : 113,130.57 = 46,169.92 : x
  2. Step 2: Convert to fraction form
    81,979.48/113,130.57 = 46,169.92/x
  3. Step 3: Cross multiply
    81,979.48x = 113,130.57 × 46,169.92
  4. Step 4: Simplify right side
    81,979.48x = 5,223,229,366.45
  5. Step 5: Solve for x
    x = 5,223,229,366.45/81,979.48
  6. Step 6: Final answer
    x = 63,713.86

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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.