Home / 84,613.20-116,529.48-82,776.48

Finding the Fourth Proportional to 84,613.20, 116,529.48 and 82,776.48

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Solution

The fourth proportional to 84,613.20, 116,529.48 and 82,776.48 is: 113,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,613.20 : 116,529.48 = 82,776.48 : x
  2. Step 2: Convert to fraction form
    84,613.20/116,529.48 = 82,776.48/x
  3. Step 3: Cross multiply
    84,613.20x = 116,529.48 × 82,776.48
  4. Step 4: Simplify right side
    84,613.20x = 9,645,900,170.63
  5. Step 5: Solve for x
    x = 9,645,900,170.63/84,613.20
  6. Step 6: Final answer
    x = 113,999.95

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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.