Home / 45,979.88-69,028.20-39,098.12

Finding the Fourth Proportional to 45,979.88, 69,028.20 and 39,098.12

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Solution

The fourth proportional to 45,979.88, 69,028.20 and 39,098.12 is: 58,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.88 : 69,028.20 = 39,098.12 : x
  2. Step 2: Convert to fraction form
    45,979.88/69,028.20 = 39,098.12/x
  3. Step 3: Cross multiply
    45,979.88x = 69,028.20 × 39,098.12
  4. Step 4: Simplify right side
    45,979.88x = 2,698,872,846.98
  5. Step 5: Solve for x
    x = 2,698,872,846.98/45,979.88
  6. Step 6: Final answer
    x = 58,696.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.