Home / 109,716.22-164,475.79-39,579.13

Finding the Fourth Proportional to 109,716.22, 164,475.79 and 39,579.13

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Solution

The fourth proportional to 109,716.22, 164,475.79 and 39,579.13 is: 59,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716.22 : 164,475.79 = 39,579.13 : x
  2. Step 2: Convert to fraction form
    109,716.22/164,475.79 = 39,579.13/x
  3. Step 3: Cross multiply
    109,716.22x = 164,475.79 × 39,579.13
  4. Step 4: Simplify right side
    109,716.22x = 6,509,808,674.26
  5. Step 5: Solve for x
    x = 6,509,808,674.26/109,716.22
  6. Step 6: Final answer
    x = 59,333.15

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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.