Home / 48,725.34-67,233.78-28,574.61

Finding the Fourth Proportional to 48,725.34, 67,233.78 and 28,574.61

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Solution

The fourth proportional to 48,725.34, 67,233.78 and 28,574.61 is: 39,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,725.34 : 67,233.78 = 28,574.61 : x
  2. Step 2: Convert to fraction form
    48,725.34/67,233.78 = 28,574.61/x
  3. Step 3: Cross multiply
    48,725.34x = 67,233.78 × 28,574.61
  4. Step 4: Simplify right side
    48,725.34x = 1,921,179,042.33
  5. Step 5: Solve for x
    x = 1,921,179,042.33/48,725.34
  6. Step 6: Final answer
    x = 39,428.75

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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.