Home / 99,615.12-149,444.54-29,499.88

Finding the Fourth Proportional to 99,615.12, 149,444.54 and 29,499.88

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Solution

The fourth proportional to 99,615.12, 149,444.54 and 29,499.88 is: 44,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,615.12 : 149,444.54 = 29,499.88 : x
  2. Step 2: Convert to fraction form
    99,615.12/149,444.54 = 29,499.88/x
  3. Step 3: Cross multiply
    99,615.12x = 149,444.54 × 29,499.88
  4. Step 4: Simplify right side
    99,615.12x = 4,408,595,996.66
  5. Step 5: Solve for x
    x = 4,408,595,996.66/99,615.12
  6. Step 6: Final answer
    x = 44,256.29

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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.