Home / 99,670.09-149,529.75-29,549.41

Finding the Fourth Proportional to 99,670.09, 149,529.75 and 29,549.41

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Solution

The fourth proportional to 99,670.09, 149,529.75 and 29,549.41 is: 44,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,670.09 : 149,529.75 = 29,549.41 : x
  2. Step 2: Convert to fraction form
    99,670.09/149,529.75 = 29,549.41/x
  3. Step 3: Cross multiply
    99,670.09x = 149,529.75 × 29,549.41
  4. Step 4: Simplify right side
    99,670.09x = 4,418,515,889.95
  5. Step 5: Solve for x
    x = 4,418,515,889.95/99,670.09
  6. Step 6: Final answer
    x = 44,331.41

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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.