Home / 99,669.60-149,529-29,548.91

Finding the Fourth Proportional to 99,669.60, 149,529 and 29,548.91

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Solution

The fourth proportional to 99,669.60, 149,529 and 29,548.91 is: 44,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,669.60 : 149,529 = 29,548.91 : x
  2. Step 2: Convert to fraction form
    99,669.60/149,529 = 29,548.91/x
  3. Step 3: Cross multiply
    99,669.60x = 149,529 × 29,548.91
  4. Step 4: Simplify right side
    99,669.60x = 4,418,418,215.75
  5. Step 5: Solve for x
    x = 4,418,418,215.75/99,669.60
  6. Step 6: Final answer
    x = 44,330.65

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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.