Home / 81,891.39-113,016.65-46,079.13

Finding the Fourth Proportional to 81,891.39, 113,016.65 and 46,079.13

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Solution

The fourth proportional to 81,891.39, 113,016.65 and 46,079.13 is: 63,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,891.39 : 113,016.65 = 46,079.13 : x
  2. Step 2: Convert to fraction form
    81,891.39/113,016.65 = 46,079.13/x
  3. Step 3: Cross multiply
    81,891.39x = 113,016.65 × 46,079.13
  4. Step 4: Simplify right side
    81,891.39x = 5,207,708,677.12
  5. Step 5: Solve for x
    x = 5,207,708,677.12/81,891.39
  6. Step 6: Final answer
    x = 63,592.87

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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.