Home / 109,588.74-164,457-43,021.08

Finding the Fourth Proportional to 109,588.74, 164,457 and 43,021.08

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Solution

The fourth proportional to 109,588.74, 164,457 and 43,021.08 is: 64,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,588.74 : 164,457 = 43,021.08 : x
  2. Step 2: Convert to fraction form
    109,588.74/164,457 = 43,021.08/x
  3. Step 3: Cross multiply
    109,588.74x = 164,457 × 43,021.08
  4. Step 4: Simplify right side
    109,588.74x = 7,075,117,753.56
  5. Step 5: Solve for x
    x = 7,075,117,753.56/109,588.74
  6. Step 6: Final answer
    x = 64,560.63

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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.