Home / 61,134.75-84,286.98-39,586.19

Finding the Fourth Proportional to 61,134.75, 84,286.98 and 39,586.19

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Solution

The fourth proportional to 61,134.75, 84,286.98 and 39,586.19 is: 54,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.75 : 84,286.98 = 39,586.19 : x
  2. Step 2: Convert to fraction form
    61,134.75/84,286.98 = 39,586.19/x
  3. Step 3: Cross multiply
    61,134.75x = 84,286.98 × 39,586.19
  4. Step 4: Simplify right side
    61,134.75x = 3,336,599,983.37
  5. Step 5: Solve for x
    x = 3,336,599,983.37/61,134.75
  6. Step 6: Final answer
    x = 54,577.80

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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.