Home / 99,957.10-149,961.60-29,836.42

Finding the Fourth Proportional to 99,957.10, 149,961.60 and 29,836.42

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Solution

The fourth proportional to 99,957.10, 149,961.60 and 29,836.42 is: 44,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,957.10 : 149,961.60 = 29,836.42 : x
  2. Step 2: Convert to fraction form
    99,957.10/149,961.60 = 29,836.42/x
  3. Step 3: Cross multiply
    99,957.10x = 149,961.60 × 29,836.42
  4. Step 4: Simplify right side
    99,957.10x = 4,474,317,281.47
  5. Step 5: Solve for x
    x = 4,474,317,281.47/99,957.10
  6. Step 6: Final answer
    x = 44,762.38

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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.