Home / 83,261.49-124,833.82-30,664.23

Finding the Fourth Proportional to 83,261.49, 124,833.82 and 30,664.23

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Solution

The fourth proportional to 83,261.49, 124,833.82 and 30,664.23 is: 45,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,261.49 : 124,833.82 = 30,664.23 : x
  2. Step 2: Convert to fraction form
    83,261.49/124,833.82 = 30,664.23/x
  3. Step 3: Cross multiply
    83,261.49x = 124,833.82 × 30,664.23
  4. Step 4: Simplify right side
    83,261.49x = 3,827,932,968.26
  5. Step 5: Solve for x
    x = 3,827,932,968.26/83,261.49
  6. Step 6: Final answer
    x = 45,974.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.