Home / 99,905.64-149,858.58-29,783.22

Finding the Fourth Proportional to 99,905.64, 149,858.58 and 29,783.22

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Solution

The fourth proportional to 99,905.64, 149,858.58 and 29,783.22 is: 44,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,905.64 : 149,858.58 = 29,783.22 : x
  2. Step 2: Convert to fraction form
    99,905.64/149,858.58 = 29,783.22/x
  3. Step 3: Cross multiply
    99,905.64x = 149,858.58 × 29,783.22
  4. Step 4: Simplify right side
    99,905.64x = 4,463,271,057.03
  5. Step 5: Solve for x
    x = 4,463,271,057.03/99,905.64
  6. Step 6: Final answer
    x = 44,674.87

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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.