Home / 99,693.90-149,489.55-29,564.10

Finding the Fourth Proportional to 99,693.90, 149,489.55 and 29,564.10

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Solution

The fourth proportional to 99,693.90, 149,489.55 and 29,564.10 is: 44,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,693.90 : 149,489.55 = 29,564.10 : x
  2. Step 2: Convert to fraction form
    99,693.90/149,489.55 = 29,564.10/x
  3. Step 3: Cross multiply
    99,693.90x = 149,489.55 × 29,564.10
  4. Step 4: Simplify right side
    99,693.90x = 4,419,524,005.16
  5. Step 5: Solve for x
    x = 4,419,524,005.16/99,693.90
  6. Step 6: Final answer
    x = 44,330.94

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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.