Home / 89,028.46-133,555.85-25,840.40

Finding the Fourth Proportional to 89,028.46, 133,555.85 and 25,840.40

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Solution

The fourth proportional to 89,028.46, 133,555.85 and 25,840.40 is: 38,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.46 : 133,555.85 = 25,840.40 : x
  2. Step 2: Convert to fraction form
    89,028.46/133,555.85 = 25,840.40/x
  3. Step 3: Cross multiply
    89,028.46x = 133,555.85 × 25,840.40
  4. Step 4: Simplify right side
    89,028.46x = 3,451,136,586.34
  5. Step 5: Solve for x
    x = 3,451,136,586.34/89,028.46
  6. Step 6: Final answer
    x = 38,764.42

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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.