Home / 84,139.73-116,115.42-48,336.92

Finding the Fourth Proportional to 84,139.73, 116,115.42 and 48,336.92

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Solution

The fourth proportional to 84,139.73, 116,115.42 and 48,336.92 is: 66,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,139.73 : 116,115.42 = 48,336.92 : x
  2. Step 2: Convert to fraction form
    84,139.73/116,115.42 = 48,336.92/x
  3. Step 3: Cross multiply
    84,139.73x = 116,115.42 × 48,336.92
  4. Step 4: Simplify right side
    84,139.73x = 5,612,661,186.73
  5. Step 5: Solve for x
    x = 5,612,661,186.73/84,139.73
  6. Step 6: Final answer
    x = 66,706.44

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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.