Home / 81,979.58-113,127.68-46,171.71

Finding the Fourth Proportional to 81,979.58, 113,127.68 and 46,171.71

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Solution

The fourth proportional to 81,979.58, 113,127.68 and 46,171.71 is: 63,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,979.58 : 113,127.68 = 46,171.71 : x
  2. Step 2: Convert to fraction form
    81,979.58/113,127.68 = 46,171.71/x
  3. Step 3: Cross multiply
    81,979.58x = 113,127.68 × 46,171.71
  4. Step 4: Simplify right side
    81,979.58x = 5,223,298,203.07
  5. Step 5: Solve for x
    x = 5,223,298,203.07/81,979.58
  6. Step 6: Final answer
    x = 63,714.63

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1.5x scale

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.