Home / 109,983.81-164,975.66-39,863.01

Finding the Fourth Proportional to 109,983.81, 164,975.66 and 39,863.01

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Solution

The fourth proportional to 109,983.81, 164,975.66 and 39,863.01 is: 59,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,983.81 : 164,975.66 = 39,863.01 : x
  2. Step 2: Convert to fraction form
    109,983.81/164,975.66 = 39,863.01/x
  3. Step 3: Cross multiply
    109,983.81x = 164,975.66 × 39,863.01
  4. Step 4: Simplify right side
    109,983.81x = 6,576,426,185.02
  5. Step 5: Solve for x
    x = 6,576,426,185.02/109,983.81
  6. Step 6: Final answer
    x = 59,794.49

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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.