Home / 59,519.10-82,139.97-39,340.99

Finding the Fourth Proportional to 59,519.10, 82,139.97 and 39,340.99

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Solution

The fourth proportional to 59,519.10, 82,139.97 and 39,340.99 is: 54,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,519.10 : 82,139.97 = 39,340.99 : x
  2. Step 2: Convert to fraction form
    59,519.10/82,139.97 = 39,340.99/x
  3. Step 3: Cross multiply
    59,519.10x = 82,139.97 × 39,340.99
  4. Step 4: Simplify right side
    59,519.10x = 3,231,467,988.57
  5. Step 5: Solve for x
    x = 3,231,467,988.57/59,519.10
  6. Step 6: Final answer
    x = 54,292.95

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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.