Home / 102,936.84-154,428-32,816.16

Finding the Fourth Proportional to 102,936.84, 154,428 and 32,816.16

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Solution

The fourth proportional to 102,936.84, 154,428 and 32,816.16 is: 49,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,936.84 : 154,428 = 32,816.16 : x
  2. Step 2: Convert to fraction form
    102,936.84/154,428 = 32,816.16/x
  3. Step 3: Cross multiply
    102,936.84x = 154,428 × 32,816.16
  4. Step 4: Simplify right side
    102,936.84x = 5,067,733,956.48
  5. Step 5: Solve for x
    x = 5,067,733,956.48/102,936.84
  6. Step 6: Final answer
    x = 49,231.49

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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.