Home / 102,936.73-154,316.23-39,801.08

Finding the Fourth Proportional to 102,936.73, 154,316.23 and 39,801.08

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Solution

The fourth proportional to 102,936.73, 154,316.23 and 39,801.08 is: 59,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,936.73 : 154,316.23 = 39,801.08 : x
  2. Step 2: Convert to fraction form
    102,936.73/154,316.23 = 39,801.08/x
  3. Step 3: Cross multiply
    102,936.73x = 154,316.23 × 39,801.08
  4. Step 4: Simplify right side
    102,936.73x = 6,141,952,615.53
  5. Step 5: Solve for x
    x = 6,141,952,615.53/102,936.73
  6. Step 6: Final answer
    x = 59,667.26

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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.