Home / 70,519.02-105,778.94-17,928.56

Finding the Fourth Proportional to 70,519.02, 105,778.94 and 17,928.56

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Solution

The fourth proportional to 70,519.02, 105,778.94 and 17,928.56 is: 26,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,519.02 : 105,778.94 = 17,928.56 : x
  2. Step 2: Convert to fraction form
    70,519.02/105,778.94 = 17,928.56/x
  3. Step 3: Cross multiply
    70,519.02x = 105,778.94 × 17,928.56
  4. Step 4: Simplify right side
    70,519.02x = 1,896,463,453.99
  5. Step 5: Solve for x
    x = 1,896,463,453.99/70,519.02
  6. Step 6: Final answer
    x = 26,892.94

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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.