Home / 89,503.24-123,504.90-51,770.44

Finding the Fourth Proportional to 89,503.24, 123,504.90 and 51,770.44

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Solution

The fourth proportional to 89,503.24, 123,504.90 and 51,770.44 is: 71,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.24 : 123,504.90 = 51,770.44 : x
  2. Step 2: Convert to fraction form
    89,503.24/123,504.90 = 51,770.44/x
  3. Step 3: Cross multiply
    89,503.24x = 123,504.90 × 51,770.44
  4. Step 4: Simplify right side
    89,503.24x = 6,393,903,015.16
  5. Step 5: Solve for x
    x = 6,393,903,015.16/89,503.24
  6. Step 6: Final answer
    x = 71,437.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.