Home / 99,531.60-149,297.40-29,409.90

Finding the Fourth Proportional to 99,531.60, 149,297.40 and 29,409.90

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Solution

The fourth proportional to 99,531.60, 149,297.40 and 29,409.90 is: 44,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,531.60 : 149,297.40 = 29,409.90 : x
  2. Step 2: Convert to fraction form
    99,531.60/149,297.40 = 29,409.90/x
  3. Step 3: Cross multiply
    99,531.60x = 149,297.40 × 29,409.90
  4. Step 4: Simplify right side
    99,531.60x = 4,390,821,604.26
  5. Step 5: Solve for x
    x = 4,390,821,604.26/99,531.60
  6. Step 6: Final answer
    x = 44,114.85

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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.