Home / 82,943.12-124,403.04-23,783.84

Finding the Fourth Proportional to 82,943.12, 124,403.04 and 23,783.84

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Solution

The fourth proportional to 82,943.12, 124,403.04 and 23,783.84 is: 35,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,943.12 : 124,403.04 = 23,783.84 : x
  2. Step 2: Convert to fraction form
    82,943.12/124,403.04 = 23,783.84/x
  3. Step 3: Cross multiply
    82,943.12x = 124,403.04 × 23,783.84
  4. Step 4: Simplify right side
    82,943.12x = 2,958,781,998.87
  5. Step 5: Solve for x
    x = 2,958,781,998.87/82,943.12
  6. Step 6: Final answer
    x = 35,672.42

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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.