Home / 99,331.80-148,940.10-37,008.60

Finding the Fourth Proportional to 99,331.80, 148,940.10 and 37,008.60

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Solution

The fourth proportional to 99,331.80, 148,940.10 and 37,008.60 is: 55,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,331.80 : 148,940.10 = 37,008.60 : x
  2. Step 2: Convert to fraction form
    99,331.80/148,940.10 = 37,008.60/x
  3. Step 3: Cross multiply
    99,331.80x = 148,940.10 × 37,008.60
  4. Step 4: Simplify right side
    99,331.80x = 5,512,064,584.86
  5. Step 5: Solve for x
    x = 5,512,064,584.86/99,331.80
  6. Step 6: Final answer
    x = 55,491.44

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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.