Home / 82,936.60-124,421.10-33,008.20

Finding the Fourth Proportional to 82,936.60, 124,421.10 and 33,008.20

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Solution

The fourth proportional to 82,936.60, 124,421.10 and 33,008.20 is: 49,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,936.60 : 124,421.10 = 33,008.20 : x
  2. Step 2: Convert to fraction form
    82,936.60/124,421.10 = 33,008.20/x
  3. Step 3: Cross multiply
    82,936.60x = 124,421.10 × 33,008.20
  4. Step 4: Simplify right side
    82,936.60x = 4,106,916,553.02
  5. Step 5: Solve for x
    x = 4,106,916,553.02/82,936.60
  6. Step 6: Final answer
    x = 49,518.75

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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.