Home / 45,320.05-67,981.79-17,234.88

Finding the Fourth Proportional to 45,320.05, 67,981.79 and 17,234.88

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Solution

The fourth proportional to 45,320.05, 67,981.79 and 17,234.88 is: 25,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320.05 : 67,981.79 = 17,234.88 : x
  2. Step 2: Convert to fraction form
    45,320.05/67,981.79 = 17,234.88/x
  3. Step 3: Cross multiply
    45,320.05x = 67,981.79 × 17,234.88
  4. Step 4: Simplify right side
    45,320.05x = 1,171,657,780.99
  5. Step 5: Solve for x
    x = 1,171,657,780.99/45,320.05
  6. Step 6: Final answer
    x = 25,852.97

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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.