Home / 75,623.84-113,380.10-25,690.51

Finding the Fourth Proportional to 75,623.84, 113,380.10 and 25,690.51

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Solution

The fourth proportional to 75,623.84, 113,380.10 and 25,690.51 is: 38,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.84 : 113,380.10 = 25,690.51 : x
  2. Step 2: Convert to fraction form
    75,623.84/113,380.10 = 25,690.51/x
  3. Step 3: Cross multiply
    75,623.84x = 113,380.10 × 25,690.51
  4. Step 4: Simplify right side
    75,623.84x = 2,912,792,592.85
  5. Step 5: Solve for x
    x = 2,912,792,592.85/75,623.84
  6. Step 6: Final answer
    x = 38,516.86

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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.