Home / 99,494.20-149,022.60-59,982.40

Finding the Fourth Proportional to 99,494.20, 149,022.60 and 59,982.40

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Solution

The fourth proportional to 99,494.20, 149,022.60 and 59,982.40 is: 89,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,494.20 : 149,022.60 = 59,982.40 : x
  2. Step 2: Convert to fraction form
    99,494.20/149,022.60 = 59,982.40/x
  3. Step 3: Cross multiply
    99,494.20x = 149,022.60 × 59,982.40
  4. Step 4: Simplify right side
    99,494.20x = 8,938,733,202.24
  5. Step 5: Solve for x
    x = 8,938,733,202.24/99,494.20
  6. Step 6: Final answer
    x = 89,841.75

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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.