Home / 83,170.70-114,656.06-59,255.85

Finding the Fourth Proportional to 83,170.70, 114,656.06 and 59,255.85

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Solution

The fourth proportional to 83,170.70, 114,656.06 and 59,255.85 is: 81,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.70 : 114,656.06 = 59,255.85 : x
  2. Step 2: Convert to fraction form
    83,170.70/114,656.06 = 59,255.85/x
  3. Step 3: Cross multiply
    83,170.70x = 114,656.06 × 59,255.85
  4. Step 4: Simplify right side
    83,170.70x = 6,794,042,144.81
  5. Step 5: Solve for x
    x = 6,794,042,144.81/83,170.70
  6. Step 6: Final answer
    x = 81,687.93

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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.