Home / 61,086.12-84,299.14-39,852.84

Finding the Fourth Proportional to 61,086.12, 84,299.14 and 39,852.84

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Solution

The fourth proportional to 61,086.12, 84,299.14 and 39,852.84 is: 54,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,086.12 : 84,299.14 = 39,852.84 : x
  2. Step 2: Convert to fraction form
    61,086.12/84,299.14 = 39,852.84/x
  3. Step 3: Cross multiply
    61,086.12x = 84,299.14 × 39,852.84
  4. Step 4: Simplify right side
    61,086.12x = 3,359,560,138.56
  5. Step 5: Solve for x
    x = 3,359,560,138.56/61,086.12
  6. Step 6: Final answer
    x = 54,997.11

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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.