Home / 99,623.43-149,448.09-40,461.03

Finding the Fourth Proportional to 99,623.43, 149,448.09 and 40,461.03

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Solution

The fourth proportional to 99,623.43, 149,448.09 and 40,461.03 is: 60,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623.43 : 149,448.09 = 40,461.03 : x
  2. Step 2: Convert to fraction form
    99,623.43/149,448.09 = 40,461.03/x
  3. Step 3: Cross multiply
    99,623.43x = 149,448.09 × 40,461.03
  4. Step 4: Simplify right side
    99,623.43x = 6,046,823,652.93
  5. Step 5: Solve for x
    x = 6,046,823,652.93/99,623.43
  6. Step 6: Final answer
    x = 60,696.80

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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.