Home / 45,715.70-68,573.55-19,401.99

Finding the Fourth Proportional to 45,715.70, 68,573.55 and 19,401.99

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Solution

The fourth proportional to 45,715.70, 68,573.55 and 19,401.99 is: 29,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.70 : 68,573.55 = 19,401.99 : x
  2. Step 2: Convert to fraction form
    45,715.70/68,573.55 = 19,401.99/x
  3. Step 3: Cross multiply
    45,715.70x = 68,573.55 × 19,401.99
  4. Step 4: Simplify right side
    45,715.70x = 1,330,463,331.36
  5. Step 5: Solve for x
    x = 1,330,463,331.36/45,715.70
  6. Step 6: Final answer
    x = 29,102.99

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Similar ratio
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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.