Home / 99,564.28-149,346.43-29,438.18

Finding the Fourth Proportional to 99,564.28, 149,346.43 and 29,438.18

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Solution

The fourth proportional to 99,564.28, 149,346.43 and 29,438.18 is: 44,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,564.28 : 149,346.43 = 29,438.18 : x
  2. Step 2: Convert to fraction form
    99,564.28/149,346.43 = 29,438.18/x
  3. Step 3: Cross multiply
    99,564.28x = 149,346.43 × 29,438.18
  4. Step 4: Simplify right side
    99,564.28x = 4,396,487,088.70
  5. Step 5: Solve for x
    x = 4,396,487,088.70/99,564.28
  6. Step 6: Final answer
    x = 44,157.27

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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.