Home / 99,871.32-149,829.30-37,542.36

Finding the Fourth Proportional to 99,871.32, 149,829.30 and 37,542.36

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Solution

The fourth proportional to 99,871.32, 149,829.30 and 37,542.36 is: 56,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,871.32 : 149,829.30 = 37,542.36 : x
  2. Step 2: Convert to fraction form
    99,871.32/149,829.30 = 37,542.36/x
  3. Step 3: Cross multiply
    99,871.32x = 149,829.30 × 37,542.36
  4. Step 4: Simplify right side
    99,871.32x = 5,624,945,519.15
  5. Step 5: Solve for x
    x = 5,624,945,519.15/99,871.32
  6. Step 6: Final answer
    x = 56,321.93

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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.