Home / 99,915.48-149,755.59-36,714.60

Finding the Fourth Proportional to 99,915.48, 149,755.59 and 36,714.60

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Solution

The fourth proportional to 99,915.48, 149,755.59 and 36,714.60 is: 55,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,915.48 : 149,755.59 = 36,714.60 : x
  2. Step 2: Convert to fraction form
    99,915.48/149,755.59 = 36,714.60/x
  3. Step 3: Cross multiply
    99,915.48x = 149,755.59 × 36,714.60
  4. Step 4: Simplify right side
    99,915.48x = 5,498,216,584.61
  5. Step 5: Solve for x
    x = 5,498,216,584.61/99,915.48
  6. Step 6: Final answer
    x = 55,028.68

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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.