Home / 99,415.44-149,123.14-36,240.30

Finding the Fourth Proportional to 99,415.44, 149,123.14 and 36,240.30

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Solution

The fourth proportional to 99,415.44, 149,123.14 and 36,240.30 is: 54,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,415.44 : 149,123.14 = 36,240.30 : x
  2. Step 2: Convert to fraction form
    99,415.44/149,123.14 = 36,240.30/x
  3. Step 3: Cross multiply
    99,415.44x = 149,123.14 × 36,240.30
  4. Step 4: Simplify right side
    99,415.44x = 5,404,267,330.54
  5. Step 5: Solve for x
    x = 5,404,267,330.54/99,415.44
  6. Step 6: Final answer
    x = 54,360.44

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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.