Home / 59,539.95-82,121.79-39,414.09

Finding the Fourth Proportional to 59,539.95, 82,121.79 and 39,414.09

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Solution

The fourth proportional to 59,539.95, 82,121.79 and 39,414.09 is: 54,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,539.95 : 82,121.79 = 39,414.09 : x
  2. Step 2: Convert to fraction form
    59,539.95/82,121.79 = 39,414.09/x
  3. Step 3: Cross multiply
    59,539.95x = 82,121.79 × 39,414.09
  4. Step 4: Simplify right side
    59,539.95x = 3,236,755,622.02
  5. Step 5: Solve for x
    x = 3,236,755,622.02/59,539.95
  6. Step 6: Final answer
    x = 54,362.75

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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.