Home / 81,935.81-113,067.11-46,124.63

Finding the Fourth Proportional to 81,935.81, 113,067.11 and 46,124.63

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Solution

The fourth proportional to 81,935.81, 113,067.11 and 46,124.63 is: 63,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.81 : 113,067.11 = 46,124.63 : x
  2. Step 2: Convert to fraction form
    81,935.81/113,067.11 = 46,124.63/x
  3. Step 3: Cross multiply
    81,935.81x = 113,067.11 × 46,124.63
  4. Step 4: Simplify right side
    81,935.81x = 5,215,178,613.92
  5. Step 5: Solve for x
    x = 5,215,178,613.92/81,935.81
  6. Step 6: Final answer
    x = 63,649.56

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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.