Home / 81,876.16-112,990.20-46,062.82

Finding the Fourth Proportional to 81,876.16, 112,990.20 and 46,062.82

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Solution

The fourth proportional to 81,876.16, 112,990.20 and 46,062.82 is: 63,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,876.16 : 112,990.20 = 46,062.82 : x
  2. Step 2: Convert to fraction form
    81,876.16/112,990.20 = 46,062.82/x
  3. Step 3: Cross multiply
    81,876.16x = 112,990.20 × 46,062.82
  4. Step 4: Simplify right side
    81,876.16x = 5,204,647,244.36
  5. Step 5: Solve for x
    x = 5,204,647,244.36/81,876.16
  6. Step 6: Final answer
    x = 63,567.31

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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.