Home / 99,664.40-149,445.30-29,534.60

Finding the Fourth Proportional to 99,664.40, 149,445.30 and 29,534.60

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Solution

The fourth proportional to 99,664.40, 149,445.30 and 29,534.60 is: 44,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664.40 : 149,445.30 = 29,534.60 : x
  2. Step 2: Convert to fraction form
    99,664.40/149,445.30 = 29,534.60/x
  3. Step 3: Cross multiply
    99,664.40x = 149,445.30 × 29,534.60
  4. Step 4: Simplify right side
    99,664.40x = 4,413,807,157.38
  5. Step 5: Solve for x
    x = 4,413,807,157.38/99,664.40
  6. Step 6: Final answer
    x = 44,286.70

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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.