Home / 84,182.76-116,182.44-48,372.66

Finding the Fourth Proportional to 84,182.76, 116,182.44 and 48,372.66

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Solution

The fourth proportional to 84,182.76, 116,182.44 and 48,372.66 is: 66,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,182.76 : 116,182.44 = 48,372.66 : x
  2. Step 2: Convert to fraction form
    84,182.76/116,182.44 = 48,372.66/x
  3. Step 3: Cross multiply
    84,182.76x = 116,182.44 × 48,372.66
  4. Step 4: Simplify right side
    84,182.76x = 5,620,053,668.09
  5. Step 5: Solve for x
    x = 5,620,053,668.09/84,182.76
  6. Step 6: Final answer
    x = 66,760.15

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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.